The author especially points out that the development of special Mountain Products not only has the effects on the change of agricultural structure, but also on the life of the peasants in Sichuan.
重点阐述了山货开发对近代四川农业结构变化和农民生活变迁的影响，并指出了山货开发的教训和现实启示。
This needs the contemporary university graduate's positive participation, change the agricultural population structure fundamentally and improve the population quality.
这就需要当代大学毕业生的积极参与，从根本上改变农业人口结构和提高人口的质量。
According to the research on change of agricultural product prices in HenanProvince from 1978 to 1987, We find the influence on structure of plants under the price changing.
对河南省1978 ~ 1987年农产品价格变化进行了研究，分析了价格变化对种植业结构、农产品供给以及农民收入的影响。
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