{"id":"1b06af98-9c82-43ab-8f16-e9656015a0d0","title":"“一带一路”沿线国家农业机械（拖拉机）数量数据集（1961-2009）","title_en":"Agricultural machinery(tractors) of countries along the Belt and Road(1961-2009)","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：农业机械、拖拉机数量-Agricultural machinery, tractors.xlsx","description":"该数据集记录了“一带一路”沿线65个国家1961-2009年农业机械（拖拉机）数量等相关数据。农业机械是指在规定的日历年度末或者次年第一季度在农业上使用的轮式和履带式拖拉机（不包括园艺拖拉机）的数量。数据来源：联合国粮食农业组织（Food and Agriculture Organization, electronic files and web site）。农业机械减轻了劳动强度，减少苦役，缓解劳力短缺，提高农业活动的生产力和及时性，提高资源有效利用，增加进入市场机会，帮助减少气候相关危害，未来的农机将发挥更大的作用，有助于确保农业的环境可持续性。该数据集可用于农业现代化和农业生态环境等相关研究。\n数据集包含2个数据表：农业机械（每100平方公里可耕地的拖拉机），农业机械（拖拉机数量）。","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":"2020-05-02T18:46:30.217963+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T14:03:42.086252+08:00","time_description":"1961-2009","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":"马明国","username":"mmgswu","email":"mmg@swu.edu.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"1b06af98-9c82-43ab-8f16-e9656015a0d0","three_pole":null,"third_pole":"XDA20010302"},"username":"XDA20010302","review_time":"2020-05-02T11:18:35.286919+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1747}