IEEE Transactions on Engineering Management最新文献

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Environmental Regulations-Enabled External Knowledge Acquisition and Proactive Environmental Strategy: The Moderating Effect of Social Media Capability 环境法规驱动的外部知识获取与积极主动的环境战略:社交媒体能力的调节效应
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-05 DOI: 10.1109/TEM.2024.3454775
Xiaocui Li;Nengmin Wang;Bin Jiang;Tao Jia
{"title":"Environmental Regulations-Enabled External Knowledge Acquisition and Proactive Environmental Strategy: The Moderating Effect of Social Media Capability","authors":"Xiaocui Li;Nengmin Wang;Bin Jiang;Tao Jia","doi":"10.1109/TEM.2024.3454775","DOIUrl":"https://doi.org/10.1109/TEM.2024.3454775","url":null,"abstract":"A proactive environmental strategy (PES) serves as an impactful and effective way to alleviate a firm's adverse environmental impact, and environmental regulations are widely recognized as primary and crucial for promoting a PES. However, most studies in the PES field overlook the pivotal role of external knowledge acquisition and social media capability. Therefore, we have developed a theoretical model drawing on institutional and resource-dependent theories to address this gap. This model examines how different types of environmental regulations, such as market-based incentive regulation (MBI) and command-and-control regulation (CAC), enabled external knowledge acquisition on PES and how social media capability moderates these relationships. We conducted a survey involving 385 Chinese manufacturing firms and follow-up interviews with top managers to test our model. The findings indicate that MBI and CAC positively influence a firm's external knowledge acquisition for PES. However, it is worth noting that MBI exhibits a more substantial effect than CAC. Furthermore, the influence of social media capability on external knowledge acquisition varies depending on the specific dimension of environmental regulations under consideration. These results hold significant implications for organizations aiming to leverage diverse types of environmental regulations and harness the power of social media capability to bolster their proactive environmental strategies. Finally, given the varying levels of development and economic conditions across China, and the fact that these differences will change over time, future research should consider conducting comparative studies to understand PES at a regional level, by using more empirical methods, such as longitudinal research designs and case studies.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14590-14607"},"PeriodicalIF":4.6,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142320398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mixed-Ownership Reform and Innovation: An Examination of State-Owned Enterprises 混合所有制改革与创新:国有企业研究
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-05 DOI: 10.1109/TEM.2024.3454715
Haiping Fu;Saixing Zeng;Daxin Sun;Jiawei Lin
{"title":"Mixed-Ownership Reform and Innovation: An Examination of State-Owned Enterprises","authors":"Haiping Fu;Saixing Zeng;Daxin Sun;Jiawei Lin","doi":"10.1109/TEM.2024.3454715","DOIUrl":"https://doi.org/10.1109/TEM.2024.3454715","url":null,"abstract":"Prior literature on ownership suggests that in the majority of cases, state ownership in state-owned enterprises (SOEs) is not an optimal structure for firm performance, especially in emerging economies. Mixed-ownership structures are designed to overcome this disadvantage. However, their impacts on innovation are not well understood. We examine whether and how SOEs’ innovation efforts benefit from mixed-ownership reform, using a sample of 375 publicly listed SOEs operating in China between 2003 and 2019. We discuss principal–principal and principal–agent conflicts in SOEs and argue that the increase in managerial autonomy that accompanies mixed-ownership reform releases SOEs from state control and orients them toward engagement with market forces, encouraging higher levels of innovation. Our results suggest that both the frequency and the impact of innovation in SOEs are improved by mixed-ownership reform. We further find that this relationship is more pronounced when SOEs are affiliated with the central government, and it is strengthened through an anticorruption policy. This study provides fresh insights into the role of mixed-ownership reform in emerging economies.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14450-14471"},"PeriodicalIF":4.6,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142246500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identifying the Differences in Innovation Attributes in Creating Organizational Performance With an Integrated Approach 用综合方法识别创新属性在创造组织绩效方面的差异
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-05 DOI: 10.1109/TEM.2024.3454792
Chih-Hsing Liu;I-An Wang;Jun-You Lin
{"title":"Identifying the Differences in Innovation Attributes in Creating Organizational Performance With an Integrated Approach","authors":"Chih-Hsing Liu;I-An Wang;Jun-You Lin","doi":"10.1109/TEM.2024.3454792","DOIUrl":"https://doi.org/10.1109/TEM.2024.3454792","url":null,"abstract":"Innovation is widely acknowledged as crucial in determining a firm's survival and growth. In this article, we enhance the current understanding of business and management by identifying key characteristics and presenting a novel perspective on the antecedents and consequences of innovation performance. By analyzing a dataset of 13 841 entries from the Taiwanese Technological Innovation Survey, this research utilizes a resource-based view to support the proposed hypotheses. The empirical results demonstrate that innovation breadth and protection have direct effects on innovation capability, which, in turn, significantly impact innovation performance. This confirms the mediating role of innovation capability. Furthermore, the study investigates the moderating role of innovation barriers in the relationships among innovation breadth, protection, and capability. The theoretical and managerial implications are discussed in the final section, highlighting the relevance of these findings for both academic research and practical applications in industry.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"15036-15056"},"PeriodicalIF":4.6,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reconciling Technophilia and Technophobia Using Intrarole Identity Tensions: A Paradox Theory Perspective 利用内部身份紧张关系调和技术迷恋与技术恐惧症:悖论理论视角
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-04 DOI: 10.1109/TEM.2024.3454547
Fatemeh S. Shahmehr;Seyed Mohammad Sadegh Khaksar;Shah J. Miah;Mahdieh Mokhtari Moughari;Tugrul Daim
{"title":"Reconciling Technophilia and Technophobia Using Intrarole Identity Tensions: A Paradox Theory Perspective","authors":"Fatemeh S. Shahmehr;Seyed Mohammad Sadegh Khaksar;Shah J. Miah;Mahdieh Mokhtari Moughari;Tugrul Daim","doi":"10.1109/TEM.2024.3454547","DOIUrl":"https://doi.org/10.1109/TEM.2024.3454547","url":null,"abstract":"The application of social service robots in organizational contexts may be perceived negatively or positively, shaping varying forms of intrarole identities. Positive perceptions and attitudes are mostly referred to the concept of technophilia, a strong enthusiasm for new technologies. In contrast, negative perceptions are explained by the concept of technophobia, the fear or aversion to technology. There is a limited understanding of how both technophilia and technophobia traits can together cause paradoxical tensions in a role, making opposing sides of the role salient. In this article, we aim to unpack the theoretical grounds of technophilia and technophobia traits by identifying intrarole paradoxical tensions. Identifying these tensions can offer a well-adjusted explanation of how contradictions within a role evolve and persist in times of using technologies. We applied a grounded theory methodology to generating and conceptualizing data to eventually help the emergence of concepts that shape the technophilia–technophobia spectrum. We identified and conceptualized three intrarole identity paradoxical tensions: caring identity–controlling identity; technology leadership identity–technology followership identity; and autonomous identity–coercive identity. These paradoxical tensions reveal why employees uphold both technophilia–technophobia traits simultaneously when using social service robots. We also articulated the coping strategies that employees maintain to strike a balance between opposing identities.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14500-14511"},"PeriodicalIF":4.6,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142246538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Digital Transformation and Green Investment of Heavily Polluting Enterprises: The Threshold Effects of Heterogeneous Environmental Regulations 数字化转型与重污染企业的绿色投资:异质环境法规的阈值效应
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-03 DOI: 10.1109/TEM.2024.3453961
Boqiang Lin;Aochen Sun;Yongjing Xie
{"title":"Digital Transformation and Green Investment of Heavily Polluting Enterprises: The Threshold Effects of Heterogeneous Environmental Regulations","authors":"Boqiang Lin;Aochen Sun;Yongjing Xie","doi":"10.1109/TEM.2024.3453961","DOIUrl":"https://doi.org/10.1109/TEM.2024.3453961","url":null,"abstract":"Green investment is an effective way for heavily polluting enterprises to balance business and sustainable development goals. With digital transformation bringing profound changes to enterprises in the digital economy era, whether digital transformation may drive green investment in heavily polluting enterprises is still not thoroughly studied, and the role of various types of environmental regulations in this impact has been neglected. Therefore, utilizing panel data from 435 Chinese listed heavily polluting enterprises from 2011 to 2021, this study investigated the impact of digital transformation on green investment and examined the threshold effects of environmental regulations in this relationship. The findings reveal that: 1) digital transformation significantly promotes the green investment of heavily polluting enterprises and indirectly fosters green investment by alleviating financing constraints; 2) there exists a nonlinear impact of digital transformation on green investment depending on the type of environmental regulation. When command-control environmental regulation intensity exceeds the threshold, the contribution of digital transformation to green investment is amplified. When incentive-based environmental regulation exceeds the threshold, the contribution of digital transformation to green investment weakens; and 3) the heterogeneity analysis suggests that for small and medium-sized, key monitored, and well-controlled heavily polluting enterprises, the positive effect of digital transformation on green investment is particularly prominent. Based on these conclusions, we proposed targeted managerial and policy implications.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14426-14437"},"PeriodicalIF":4.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142246499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How to Enhance Regional Innovation Ecosystem Resilience in China? A Configuration Analysis Based on Panel Data 如何增强中国区域创新生态系统的韧性?基于面板数据的配置分析
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-03 DOI: 10.1109/TEM.2024.3453971
Heng Chen;Zhilin Zhang;Chaoran Lin
{"title":"How to Enhance Regional Innovation Ecosystem Resilience in China? A Configuration Analysis Based on Panel Data","authors":"Heng Chen;Zhilin Zhang;Chaoran Lin","doi":"10.1109/TEM.2024.3453971","DOIUrl":"https://doi.org/10.1109/TEM.2024.3453971","url":null,"abstract":"In an era characterized by volatility, uncertainty, complexity, and ambiguity, external risk disturbances can be mitigated by bolstering the resilience of regional innovation ecosystems. This approach has emerged as the key strategy for fostering regional innovation and achieving high-quality development in China. Utilizing asymmetric configuration theory and methodologies, this article investigates multiple complex pathways through which the resilience of regional innovation ecosystems can be enhanced. Specifically, drawing from asymmetric innovation theory, we developed a research framework for analyzing the configuration of innovation ecosystem resilience (IER). Then, we utilized panel data qualitative comparative analysis to examine the configurations for high and nonhigh IER. The findings reveal that 1) there is a time effect on the necessity of most conditions for both high and nonhigh IER, with a high marketization level being the only necessary condition for high IRE, and that 2) a negligible temporal influence is observed in the configuration analysis results for high and nonhigh IER, and three stable pathways for high IER and four for nonhigh IER have been determined. This article provides valuable insights and references for improving relevant policies or adjusting innovation strategies to enhance regional IER in China.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14401-14414"},"PeriodicalIF":4.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142246448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Patent Analysis for Identifying Core Technology and Forecasting Promising Technology in Medical Imaging Equipment 用于识别医疗成像设备核心技术和预测前景技术的专利分析
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-03 DOI: 10.1109/TEM.2024.3453652
Zhiguo Cai;Yang Zhou;Yi Xu;Zhiying Liu
{"title":"Patent Analysis for Identifying Core Technology and Forecasting Promising Technology in Medical Imaging Equipment","authors":"Zhiguo Cai;Yang Zhou;Yi Xu;Zhiying Liu","doi":"10.1109/TEM.2024.3453652","DOIUrl":"https://doi.org/10.1109/TEM.2024.3453652","url":null,"abstract":"Medical imaging equipment (MIE) is regarded as a crucial facility in the 21st century. Its noninvasive and safe nature in providing diagnostic images or guiding treatments has garnered significant attention from global health organizations. Unfortunately, there is a lack of research on core and promising technologies in MIE, resulting in insufficient information for government investment decision-making. To address this research gap, this article presents a three-stage patent mining framework. First, patents are scored using the entropy-weight and technique for order preference by similarity to an ideal solution method. Then, the LDA model is applied to identify core technology in MIE based on topic intensity and average patent scores within each topic. Among the identified core technologies, the novelty calculation further confirms that “endoscopy” and “radiation therapy” are promising technologies in medical imaging. Last, the article discusses the distribution and competition landscape of each technology across countries. The findings of this article offer guidance for government investments in MIE and provide data support for decision-making by research and development institutions.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14375-14386"},"PeriodicalIF":4.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142173902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","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 Push and Pull Factors in Scientific Mobility 探索科学流动的推拉因素
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-03 DOI: 10.1109/TEM.2024.3453387
Jie Ren;Viju Raghupathi;Wullianallur Raghupathi
{"title":"Exploring the Push and Pull Factors in Scientific Mobility","authors":"Jie Ren;Viju Raghupathi;Wullianallur Raghupathi","doi":"10.1109/TEM.2024.3453387","DOIUrl":"https://doi.org/10.1109/TEM.2024.3453387","url":null,"abstract":"Understanding the increase in the local/global mobility of scientists is critical from academic/practical perspectives. This research study focuses on the “push/pull” factors that influence highly educated individuals to migrate to other countries. Using the Open Researcher and Contributor ID database, we examine the association between different aspects of culture and economic conditions as push/pull factors. By exploring over 6000 doctoral researcher migration records from 194 countries, we investigate how the interaction between a migrant's home country characteristics (push factors) and immigrant country characteristics (pull factors) affects their migration. The findings show that migration behavior is correlated with the culture and income of immigrant countries. Immigrants are more likely to move to countries that are culturally similar to their home country. The high-income/individualistic nature of “sending” and “receiving” nations interacts with one another and motivates individual talents to migrate further. Policy implications include mitigating brain drain and encouraging skilled migration for innovation/economic growth.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14559-14570"},"PeriodicalIF":4.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142320397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
“How Can More be Done With Less?”: Investigating Frugal Innovation Determinants Using Design Thinking and Interpretive Structural Modeling "如何少花钱多办事?利用设计思维和解释性结构模型调查节俭创新的决定因素
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-03 DOI: 10.1109/TEM.2024.3453938
Margarida R. Santos;Fernando A. F. Ferreira;Neuza C. M. Q. F. Ferreira;Elias G. Carayannis
{"title":"“How Can More be Done With Less?”: Investigating Frugal Innovation Determinants Using Design Thinking and Interpretive Structural Modeling","authors":"Margarida R. Santos;Fernando A. F. Ferreira;Neuza C. M. Q. F. Ferreira;Elias G. Carayannis","doi":"10.1109/TEM.2024.3453938","DOIUrl":"https://doi.org/10.1109/TEM.2024.3453938","url":null,"abstract":"In the world today, innovation is an essential component of daily life. Companies deal with innovation on a regular basis to maximize their use of resources and form the foundations for competitive advantages over the competition. However, many firms currently face difficulties in terms of scarce resources and financial constraints, which have forced organizations to seek out new innovations that not only deliver good results but also require fewer natural and financial assets. Frugal innovation has, thus, been playing a significant role in companies’ success and growing in importance as this concept and its various practical applications have become more fully defined. Frugal innovation's practical aspects are still insufficiently addressed by the literature, which shows a lack of clarity about possible determinants of this approach and the ways they are interconnected. This study develops a multicriteria model using two problem structuring methods—design thinking and interpretive structural modeling—to clarify the issues that arise during frugal innovation. The results reflect the input of a group of experts linked to corporate innovation and/or small and medium-sized enterprises. The findings were subsequently analyzed and validated by a specialist who did not participate in the group work in order to make the analysis system more empirically robust. The proposed model provides a holistic view of determinants of frugal innovation, which can help companies understand and analyze these factors and engage in successful decision-making processes.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14543-14558"},"PeriodicalIF":4.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142320521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tackling Tensions Between Project Owner and Project Manager in Benefits Realization of Public Projects: A Paradox Perspective 应对公共项目效益实现过程中项目业主与项目经理之间的紧张关系:矛盾视角
IF 4.6 3区 管理学
IEEE Transactions on Engineering Management Pub Date : 2024-09-03 DOI: 10.1109/TEM.2024.3454165
Ning Sun;Yan Ning;Yadi Li
{"title":"Tackling Tensions Between Project Owner and Project Manager in Benefits Realization of Public Projects: A Paradox Perspective","authors":"Ning Sun;Yan Ning;Yadi Li","doi":"10.1109/TEM.2024.3454165","DOIUrl":"https://doi.org/10.1109/TEM.2024.3454165","url":null,"abstract":"The project owner and manager are responsible for project benefits realization and project delivery, respectively. While the project owner and manager are of close interdependence, they face paradoxical tensions. This poses significant challenges for project benefits realization. Thus, in this article, we aim to explore the evolution of paradoxical tensions between the project owner and manager in public projects. Qualitative research is drawn with 22 interviews (13 individual and 9 group interviews involving 59 interviewees) and 3 real-life cases. This research presents a paradox framework that encapsulates owner–manager tensions at three project phases, coping strategies, and the resulting tension dynamic cycle (i.e., vicious cycle or temporary balance). This study extends project management literature by revealing multiple-phase and dynamic tensions between the project owner and manager from the paradox perspective and proposing strategies to address tensions for project benefits realization.","PeriodicalId":55009,"journal":{"name":"IEEE Transactions on Engineering Management","volume":"71 ","pages":"14640-14654"},"PeriodicalIF":4.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142324253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"管理学","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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