European Journal of Geography最新文献

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On the transformation of regional food systems: From autochthonous to those generated by globalization 论区域粮食系统的转型:从本土到全球化产生的粮食系统
European Journal of Geography Pub Date : 2022-06-25 DOI: 10.48088/ejg.s.kor.13.4.034.044
Svetlana Kornekova
{"title":"On the transformation of regional food systems: From autochthonous to those generated by globalization","authors":"Svetlana Kornekova","doi":"10.48088/ejg.s.kor.13.4.034.044","DOIUrl":"https://doi.org/10.48088/ejg.s.kor.13.4.034.044","url":null,"abstract":"Attention is focused on the historical transformation of regional food systems. The latter are interpreted as diversified, regionally defined systems of production, transportation, consumption, as well as aesthetic and spiritual perception of food products based on the use of resources, both of local origin and those attracted from outside. The general approaches to understanding the evolution of regional food systems are considered without specifying the past and present pictures of the differentiated food space. An attempt is made to find the connection of spatial food systems with the \"pyramid of needs\" by A. Maslow. A special role in the spatial transformation of the food sector is assigned to the process of globalization and, in particular, the strengthening of the hegemony of agrarian transnational corporations, strengthening their influence on the dynamics and structure of production, as well as on food consumption. The connection of the global expansion of food trade networks with the evolution of national cuisines, which are a specific subsystem of the world's food systems, as well as with the so-called \"cultural sovereignty\" of countries, is noted. It is concluded that it is important to study the sustainable dependencies of regional food systems, manifested in various socio-economic conditions.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46816093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigating the Impact and Effectiveness of an ICT-based Teaching Scenario on Secondary School Students’ Geospatial and Statistical Literacy: A Case Study from Greece 基于信息通信技术的教学情景对中学生地理空间和统计素养的影响和有效性调查——以希腊为例
European Journal of Geography Pub Date : 2022-05-30 DOI: 10.48088/ejg.o.riz.13.3.050.069
Ourania Rizou, Aikaterini Klonari, Dimitris Kavroudakis
{"title":"Investigating the Impact and Effectiveness of an ICT-based Teaching Scenario on Secondary School Students’ Geospatial and Statistical Literacy: A Case Study from Greece","authors":"Ourania Rizou, Aikaterini Klonari, Dimitris Kavroudakis","doi":"10.48088/ejg.o.riz.13.3.050.069","DOIUrl":"https://doi.org/10.48088/ejg.o.riz.13.3.050.069","url":null,"abstract":"The case study investigates students’ statistical and geospatial literacy and their reaction to an ICT-based teaching scenario. The study involved 41 High School students’ in Lesvos Island, Greece. The intervention was applied in the ICT lab, in the context of a second-semester project on Geography. The means we employed to carry out students’ activities included worksheets and the web-based platform statistics4school. In order to check the effectiveness of this intervention, the sample completed assessment sheets and an anonymous self-reporting questionnaire. According to the results, students declared that they became more confident with statistical concepts and geospatial thinking. The same perspective was also reflected in their responses regarding developing cognitive and social skills and literacy in general. The intervention’s findings establish the basis according to which implementing new ICT-based teaching scenarios will support statistical, geospatial, and digital literacy.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45509860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rainfall-related impacts on a terraced landscape: Sóller valley (Mallorca, Spain) December 2016-January 2017 降雨对梯田景观的影响:Sóller山谷(西班牙马略卡岛)2016年12月至2017年1月
European Journal of Geography Pub Date : 2022-05-30 DOI: 10.48088/ejg.j.ros.13.3.070.086
Joan Rosselló-Geli
{"title":"Rainfall-related impacts on a terraced landscape: Sóller valley (Mallorca, Spain) December 2016-January 2017","authors":"Joan Rosselló-Geli","doi":"10.48088/ejg.j.ros.13.3.070.086","DOIUrl":"https://doi.org/10.48088/ejg.j.ros.13.3.070.086","url":null,"abstract":"High Precipitation Events (HPEs) are common in the Mediterranean basin, causing effects such as floods or landslides. Those effects cause impacts, ranging from economic damages to the loss of life. Amongst the damages, the impact on man-made landscapes is also common, affecting both rural and urbanized spaces. The terraced land, built across the Mediterranean, for farming purposes, suffers from HPEs when the terraces cannot cope with the large amount of falling rain. In that sense, it is important to study how rainfall affects the terraces in terms of rock fall and mass movements. Such impacts can damage the economic purpose of the farmlands but also affect other activities developed on rural spaces, like trekking or biking. In this research, the impact of precipitation over a heavily terraced valley in Mallorca is studied, both in terms of impacts and regarding human-related leisure activities as well. The methodology follows five steps, combining aerial photos and satellite images analysis with fieldwork and the study of the obtained data using computer tools. The results show how the terraces cannot cope with large amounts of rain, which increase the risk of collapse and affecting activities developed in these areas. The need of measures to protect those cultural landscapes is highlighted as well as the need of an improved statistical analysis, because results show a moderate correlation between rainfall and stones movement across terraces.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45712404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Local Perception on Effect of Land Degradation in the Blue Nile River Headwaters 当地对青尼罗河源头土地退化影响的认识
European Journal of Geography Pub Date : 2022-05-30 DOI: 10.48088/ejg.a.ewu.13.3.087.104
Alelgn EWUNTU TEMESGEN
{"title":"Local Perception on Effect of Land Degradation in the Blue Nile River Headwaters","authors":"Alelgn EWUNTU TEMESGEN","doi":"10.48088/ejg.a.ewu.13.3.087.104","DOIUrl":"https://doi.org/10.48088/ejg.a.ewu.13.3.087.104","url":null,"abstract":"Poor land-use practices have threatened the livelihood of rural people in Ethiopia. This study assessed the local perception of the impact of land degradation on rural livelihood in the Blue Nile river headwaters, North Gojjam sub-basin. To achieve this objective, questionnaires were administered for 414 sample households and series of focus group discussions and detailed interviews were held with participants. Descriptive statistics were used to analyze quantitative data while qualitative data were buildup using narration and simple description approaches. The finding showed that all local farmers perceived that land degradation was the main local ecological problem since 2008 in the form of soil erosion, soil nutrient depletion; soil acidity and soil biodiversity loss. Most of them (62.54%) perceived as land degradation severity was high and increasing through time, primarily on cereal crop land. Population growth, using animal dung and crop residue for domestic cooking and heating energy, free grazing, using crop residue for construction, absence of fallowing, poor farming, steep slope, and using inappropriate SWC technologies are the main causes of land degradation in the study area. Most local farmers observed as land degradation has decreased crop and livestock productivity, firewood, and surface water resources accessibility. These resulted in the decline in households’ food security and net income over the last 10 years. The finding showed that farmers used traditional ditche, hillside terrace, soil bund, stone bund, check dam, and waterway to reduce land degradation. To reduce the effect of abject land degradation and to improve rural livelihood in the north Gojjam sub-basin, adopting landscape friendly sustainable land management technologies, encouraging various off-farm livelihoods strategies, upgrading livestock feeding systems, and inspiring sustainable energy sources are very urgent.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49605623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial: A new EJG section entitled “Geographic Insights in Brief” 社论:一个名为“地理见解简介”的EJG新版块
European Journal of Geography Pub Date : 2022-05-04 DOI: 10.48088/ejg.p.man.13.2.editoriral
Panos Manetos, Alexandros Bartzokas-Tsiompras, K. Koutsopoulos
{"title":"Editorial: A new EJG section entitled “Geographic Insights in Brief”","authors":"Panos Manetos, Alexandros Bartzokas-Tsiompras, K. Koutsopoulos","doi":"10.48088/ejg.p.man.13.2.editoriral","DOIUrl":"https://doi.org/10.48088/ejg.p.man.13.2.editoriral","url":null,"abstract":"We are happy to announce a new European Journal of Geography (EJG) section titled ‘Geographic Insights in brief’. This initiative complements the new approach of EJG publishing (immediate publication of papers after the end of the review process) The short papers in this section will be published as part of each issue of the journal and will be reviewed only by the editorial team, in order to achieve fast dissemination of new and interesting ideas and applications. This section will accept two kinds of papers: First, papers announcing new ideas, breakthroughs and innovations in all Geographical areas that need to be immediately communicate to all geographers. The authors can later proceed to publish a fully developed traditional paper. Second, brief reports focusing on short, clear and pointed geographical research results and data. These shorter and more digestible items will help geographers to get a better understanding about specific spatial dimensions of environmental, social and economic phenomena and interactions that can feed an ongoing policy discussion with just a small amount of original visual analytics and geographical data. That is, present a smart and successive visualization or datasets, such as cartograms, mental maps, web-GIS platforms, real-time geographies and so on. This process provides new opportunities for intellectual communications and benefits for both researchers and practitioners to present new theoretical and empirical findings from new research and/or innovative geospatial applications. This new EJG section follows the trend in contemporary scholarship on geography to provide open access, inclusive and flexible platforms that express new, vibrant and exciting ideas. The requirements for the new series in EJG are: 1. Scope: European topics in human or physical geography, using cartography, GIS, remote sensing, quantitative or qualitative methods. 2. It includes one main idea or one research question, a reproducible method and one single map and up to two extra figures or/and tables. 3. It has an abstract of 100 words, three to six keywords and one or two research highlights. 4. It has a total word limit of around 1.000-2.000 words (including the main text, figures, tables and references). 5. Maps should comply with the usual cartographic and semiotic rules 6. Data and/or Code should be available on currently available repositories (e.g., Figshare, Mendeley data, Github, CRAN, Dataverse etc.) We welcome research contributions in the scientific fields of geography, planning, sociology, regional science, health, history, engineering, informatics, architecture. For any questions, please write to the editorial team (editor@eurogeojournal.eu) to discuss intended submissions.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45736054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring Urban Fear of Crime using Unsupervised Classification - The Case of Athens 用无监督分类探讨城市对犯罪的恐惧——以雅典为例
European Journal of Geography Pub Date : 2022-05-01 DOI: 10.48088/ejg.t.sta.13.2.127.138
D. Stamou
{"title":"Exploring Urban Fear of Crime using Unsupervised Classification - The Case of Athens","authors":"D. Stamou","doi":"10.48088/ejg.t.sta.13.2.127.138","DOIUrl":"https://doi.org/10.48088/ejg.t.sta.13.2.127.138","url":null,"abstract":"This publication examines whether urban landscapes, exhibiting different spatial and thematic characteristics, can affect the fear local residents feel about crime. The purpose of this research is therefore to explore the correlation of the fear of crime in modern cities with urban, environmental and social characteristics. In order to verify this postulation, the Municipality of Athens was set as study area and a wide questionnaire-based survey was conducted. A dedicated web platform (http://www.fearofcrime.com/) was employed to collect, analyse and visualize crowd fear experiences and their spatial distribution. Over 900 participants have contributed relevant data to be further explored. In order to meet the above objective and facilitate the process, the respondents and their answers were grouped into clusters via unsupervised classification. The variables were formed by all respondents’ answers and the k-means algorithm was used. From this process, groupings of a certain number of clusters emerged. The distribution of each cluster was determined on the seven City Districts of the Municipality of Athens, which were used as spatial reference units, revealing the largest and smallest concentrations. Thus emerged the image of how the phenomenon of urban fear of crime is shaped in the different districts of the Municipality of Athens.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41940873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring the active and network centralities in Metropolitan Athens: The organic vs. the planned form. 探索雅典都市的活动中心与网络中心:有机形式与计划形式。
European Journal of Geography Pub Date : 2022-04-15 DOI: 10.48088/ejg.y.par.13.2.142.160
Yannis Paraskevopoulos
{"title":"Exploring the active and network centralities in Metropolitan Athens: The organic vs. the planned form.","authors":"Yannis Paraskevopoulos","doi":"10.48088/ejg.y.par.13.2.142.160","DOIUrl":"https://doi.org/10.48088/ejg.y.par.13.2.142.160","url":null,"abstract":"The social, historical and spatial processes that shape the centrality pattern of a city have always been at the core of urban studies that explore the interplay between network configuration, human activities and the planned/formal form of the city. However, there is far limited research dealing with historic metropolitan areas, and exploring these links under a quantitative geospatial approach. In this article, we aim to address this gap by the exploring the different centrality aspects of Metropolitan Athens and more specifically by (a) providing a reproducible methodology for identifying active and network centralities, as defined by land-use pattern and space syntax respectively, (b) exploring the geospatial signature of the planned and organic form of Metropolitan Athens as framed by its institutional spatial framework as well as its active and network centrality, respectively, (c) investigating the role of network centrality, in shaping the existing active centrality pattern. The research results highlighted that the organic patterns are similar with the planned ones, mainly in the central and western part of the study area, whereas in the rest parts considerable differences are encountered. Notably, a study, in a metropolitan area with such extent and diverse characteristics (e.g., urban morphology, land uses), is currently missing from relevant literature. Hence, this work could shed light on urban development issues, revealing meaningful insights on how similar metropolitan cities in the Mediterranean region are assembled. Last, it could function as a valuable input for future planning suggestions.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45256252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Evaluation of suitability areas for ecotourism using multi-criteria analysis. The case of central Serbian viticultural region. 基于多准则分析的生态旅游适宜性评价。塞尔维亚中部葡萄种植区的案例。
European Journal of Geography Pub Date : 2022-04-13 DOI: 10.48088/ejg.r.jov.13.3.019.041
Radmila Jovanović, Fernando Almeida Garcia, Rafael Cortés-Macías
{"title":"Evaluation of suitability areas for ecotourism using multi-criteria analysis. The case of central Serbian viticultural region.","authors":"Radmila Jovanović, Fernando Almeida Garcia, Rafael Cortés-Macías","doi":"10.48088/ejg.r.jov.13.3.019.041","DOIUrl":"https://doi.org/10.48088/ejg.r.jov.13.3.019.041","url":null,"abstract":"Tourism in the wine region of Central Serbia has been gaining more and more affirmation in recent years. This wine destination offers to tourists a rich wine culture and recreation. Also, as a special supplement to wine tourism, ecotourism is especially promoted, in combination with quality wines with geographical origin. The basic analysis of this study is to identify potential locations for ecotourism activities in the wine region of Central Serbia based on physical-geographical elements (topography, altitude, slope, land use / coverage, diversity, distance from rivers) and socio-economic data (proximity to tourist attractions, distance from major roads and places). The integration of the Geographic Information System (GIS) and the Analytical Hierarchy Process (AHP) greatly facilitates the decision-making process in the assessment of ecotourism activities. As a result of this paper, a map of benefits for the development of ecotourism potentials was highlighted. Very high potential is shown by forest areas that can play a key role in tourism but are not fully used. This analysis helps in two ways: the promotion of ecotourism and viticultural destinations. In particular, in the assessment and implementation for local communities to identify tourism as an opportunity for economic development.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44600089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Investigating Greek kindergartners’ spatial abilities. Are they the best they can be? 调查希腊幼儿园儿童的空间能力。他们是最好的吗?
European Journal of Geography Pub Date : 2022-04-13 DOI: 10.48088/ejg.c.zis.13.3.001.018
Christina Zisi, Aikaterini Klonari
{"title":"Investigating Greek kindergartners’ spatial abilities. Are they the best they can be?","authors":"Christina Zisi, Aikaterini Klonari","doi":"10.48088/ejg.c.zis.13.3.001.018","DOIUrl":"https://doi.org/10.48088/ejg.c.zis.13.3.001.018","url":null,"abstract":"The development of spatial abilities in young children leads to better achievement in STEAM education and in their daily lives. Early interventions have been shown to be highly effective in developing spatial abilities. In this study, the spatial abilities curriculum of the Greek kindergarten is described, and the use of maps is recommended for inclusion in the curriculum. This study examines kindergarten pupils’ spatial abilities at the end of two consecutive preschool years and determines whether attending kindergarten for one or two years succeeded in developing the participating pupils’ spatial abilities and achieving the goals set by the curriculum. Furthermore, it investigates which spatial abilities can be developed to the greatest and lowest degree and whether there is a statistical difference in achievement between age (1 or 2 years of study) and gender. The research sample consisted of 90 pupils from 5 different kindergarten classes; these pupils had attended kindergarten for 1 year (younger children called pronipia in Greek) or for 2 years (older children called nipia in Greek). A questionnaire survey was used to collect data for analysis. It was found that the goals set by the curriculum were not satisfactorily met. Older children, as expected, performed better and there was no statistical difference between boys and girls for the total performance. This paper is part of a wider study that aims to investigate pupils’ spatial abilities. It proposes an effective teaching intervention with the use of two large-scale giant maps and appropriate teaching material to develop kindergarteners’ spatial abilities","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41883168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formal Comparison of Spatial Socioeconomic Units Based on their Typological Properties 基于类型学性质的空间社会经济单位形式比较
European Journal of Geography Pub Date : 2022-04-12 DOI: 10.48088/ejg.a.dar.13.2.027.043
Athanasia Darra
{"title":"Formal Comparison of Spatial Socioeconomic Units Based on their Typological Properties","authors":"Athanasia Darra","doi":"10.48088/ejg.a.dar.13.2.027.043","DOIUrl":"https://doi.org/10.48088/ejg.a.dar.13.2.027.043","url":null,"abstract":"Spatial units often serve as a reference to socioeconomic phenomena constituting what is known as spatial socioeconomic units (SSEUs). SSEUs find a wide application in geography. In order to understand and compare different typologies of SSEUs, it is necessary to examine the most important part of their definition which is their properties, mainly spatial but also non-spatial. SSEUs defined in this framework can be qualitatively compared on the basis of their properties using the efficient method of Formal Concept Analysis (FCA). Basic elements of FCA are (a) the Formal context which associates objects and attributes via a relation, (b) the Formal concept or category, which is a collection of objects which share common attributes, (c) the hierarchical relation from a more general to more specialized concepts, and (d) the concept lattice which shows all formal concepts of a formal context. This paper presents an FCA-based comparison of SSEUs typological properties using two indicative examples.","PeriodicalId":38156,"journal":{"name":"European Journal of Geography","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46189908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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