求翻译：专题研讨会：项目组召开了4次专题讨论会，参加人员为项目组负责人及主要研究人员，在前期研究的基础上，对评价指标体系的初步框架、评价方法、数据采集等具体细节进行了深入讨论，对以上内容进行了明确，确定了“企业甩挂运输运行信息”和“管理部门甩挂运输运行信息”等2个指标体系。是什么意思？

Symposium: The project team held four times a symposium to participate in the staff person in charge of the project team and researchers, on the basis of preliminary studies, the initial framework of the evaluation index system, evaluation methods, data collection, and other details in-depth discuss

The symposium was held: The project group 4 symposium, the participants for the project team and key research personnel, in the pre-study, on the basis of the evaluation index of the preliminary framework, evaluation methods, data acquisition, and the specific details of the above, in-depth discussi

Special seminar: The project group held 4 special symposia, participates in the personnel for the project group people in charge and the main researcher, in the earlier period research foundation, to appraised the target system the preliminary frame, the assessment method, the data acquisition and s

Topic seminar: project group held has 4 times topic seminar, participate in personnel for project group head and the main research personnel, in early research of based Shang, on evaluation indicators system of preliminary framework, and evaluation method, and data acquisition, specific details for

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