Jnr البدائل & المنافسين
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البدائل والمنافسين ل jnr.ac.cn من حيث المحتوى وحركة المرور والهيكل
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中国科学院东北地理与农业生态研究所是中国科学院设在东北地区的综合性地理学、农学、生态学、环境科学与技术研究机构和人才培养基地，研究所重点开展农业生态、湿地生态、遥感与地理信息、环境与区域发展等学科领域的研究，旨在为保障国家粮食安全、生态安全和东北老工业基地振兴做出基础性、战略性和前瞻性贡献。研究所重点开展“苏打盐碱地高效治理与草地生产力提升技术”、“东北主要农作物种质资源创新和新品种培育”、“黑土地力提升关键技术研究与示范”领域的研究工作，可望取得重大突破；重点培育“松嫩平原资源高效型作物生产模式研发与应用”、“三江-松嫩平原湿地水文调蓄能力与农业水资源保障”、“退化湿地恢复与人工湿地构建”、“东北农田环境影响机制及污染控制修复”、“东北农业生态环境综合评估与空间格局优化”等研究方向。
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中国地图出版社成立于1954年，是我国唯一的中央级地图出版机构。经过几十年的建设和发展，我社形成了实用参考地图、教学教辅地图、中小学教材、电子地图和特种地图协调发展的产品格局。我社的中国、世界地图集（册）系列，中国分省、世界分国地图系列，中国历史、世界历史等专题图系列，中小学教学地图系列已经成为我国地图出版物中的知名品牌。
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HTTP500 内部服务器出错.
中国科学院南京土壤研究所.
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中国生态农业学报(中英文).
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首页_中国作物学会.
中国地学期刊门户网
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中国科学院华南植物园 .
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