{"id":"662a7497-b45d-465d-8f6a-4177a0abc9b9","title":"“一带一路”沿线国家谷物产量（1961-2016）","title_en":"Cereal yield of countries along the Belt and Road (1961-2016)","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":"例：谷物产量(公吨)-Cereal production (metric tons).xlsx","description":"该数据集记录了“一带一路”沿线65个国家1961-2016年谷物产量数据。数据来源：联合国粮食农业组织（Food and Agriculture Organization, electronic files and web site.）。这些数据由粮农组织通过年度调查问卷收集，并由官方二级数据进行补充。官方二级数据包括国家部委网站的官方国家数据、国家出版物和各国际组织报告的相关国家数据。\n数据集包含2个数据表：谷物产量(公吨)，谷物产量(千克每公顷)。","doi":"","projection":"","language":"zh","share_type":"online","east":121.0,"west":4.0,"south":6.0,"north":56.0,"scale":null,"crs":null,"filesize":0.06,"share_policy":"a","ts_created":"2019-07-09T01:10:03.224192+08:00","doi_type":"","ts_updated":"2021-04-19T01:28:05.085541+08:00","time_description":"","datas_group":3,"time_description_en":"","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":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"662a7497-b45d-465d-8f6a-4177a0abc9b9","three_pole":null,"third_pole":"XDA20010302"},"username":"XDA20010302","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":1956}