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An Analysis of the state of three-year operation of an agriculture system

Yan Yisui Zhang pingzhi Liu Weisheng  
This paper analyses and studies the system model set for the produ-ctive structure of an agricultural system "with the method of system engineering It concisely explains the state of system operation of three years during operation of more than three years the model formula underwent the test of Practice and produced the economic benefit It provided the scient if ic basis of decision for decision makers of Reclamation Region
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