{"id":"0c282d64-ecb5-450c-9cb2-9e80be6fee63","title":"“一带一路”沿线国家铁路密度资料（2010）","title_en":"The data of railway density in the countries along the Belt and Road (2010)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"表格形式，可以采用EXCEL打开查看和分析.","description":"数据为“一带一路”沿线国家2010年铁路线长度密度资料。它是每个国家当年实际铁路运营的总长度除以该国面积的结果，同时也是衡量一个国家交通运输能力的重要指标。数据来源于世界银行，铁路密度单位为每百万平方公里铁路公里。该数据可以直接地反映出“一带一路”沿线国家的交通运输能力，也能在侧面映射出各个国家的经济发展状况，发展需求。该数据集在中国同“一带一路”沿线各国家的共同发展中起到了一个重要的参考作用。由铁路带动经济，在中国同各国密切联系的今天，离不开铁路的运输，而铁路数据就显得至关重要。","doi":"","projection":null,"language":"zh","share_type":"online","east":121.0,"west":4.0,"south":6.0,"north":56.0,"scale":null,"crs":null,"filesize":0.01,"share_policy":"a","ts_created":"2019-02-09T02:17:58.957553+08:00","doi_type":null,"ts_updated":"2021-04-19T08:22:12.780970+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"吴锋","username":"simlab3825","email":"wufeng@igsnrr.ac.cn","is_cancel_expert":false}],"review_editor":null,"data_sources":"","temporal_resolution":"Yearly","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"0c282d64-ecb5-450c-9cb2-9e80be6fee63","three_pole":null,"third_pole":"XDA20010301"},"username":"XDA20010301","review_time":"2019-02-09T04:29:35.173468+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":2335}