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agricultural extension framework model
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agricultural extension framework model
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管理学
农业推广
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agricultural extension framework model
农业推广框架模型
研究存在于农业推广工作中有组织的农业推广框架里各系统之间的关系以及影响这些系统的外部环境因素的模型。又称农业推广框架理论,或关联理论。由德国农业推广专家H.阿布列奇特提出。
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Astronomical Society of Japan
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astronomical spectral analysis
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