Farm extension pattern is a community of aim, object, content, strategy, method, structure and movement mechanism of farm extension in a nation or region.

农业推广模式是一个国家或地区农业推广目标、对象、内容、策略、方法、组织结构及其运行机制的总和。

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Farm extension pattern is a community of aim, object, content, strategy, method, structure and movement mechanism of farm extension in a nation or region.

农业推广模式是一个国家或地区农业推广目标、对象、内容、策略、方法、组织结构及其运行机制的总和。

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