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中国科学院西双版纳热带植物园机构知识库
Institutional Repository of Xishuangbanna Tropical Botanical Garden
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离退休 [1]
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Journal ar... [1]
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1989 [1]
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生态经济 [1]
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农业现代化与农业系统工程
期刊论文
生态经济, 1989, 期号: 2, 页码: 5-7
Authors:
余有德
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Submit date：2013/03/27
农业系统工程
生态农业
工业化农业
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