The system, model and operation pattern of agricultural extension affect the efficiency of agricultural extension work, and decide the success or failure of agricultural extension enterprise.
农业推广体系、模式和运作机制影响农业推广的工作效率，决定农业推广事业成败。
The article introduces the first concessionary league enterprise of agricultural producer goods in Shanghai in terms of management, positive effects and concessionary league chain operation.
介绍了上海第一家农业生产资料连锁经营企业的经营方式、取得的成效，以及开展特许加盟连锁经营的做法。
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