The most low level principle
...最低层次原理;最低生活保障形态农业中图分类号:F323.6 文献标识码: A 文章编号:1004-1389(2003)04-0166-03 [gap=927]Key words:Installing labor diversification; Effect function; The most low level principle; Agricul-ture appearance guaranteeing the lowest life ..
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