农户种植行为与区域经济发展水平相关性研究——以山西省21个县市为例
농호충식행위여구역경제발전수평상관성연구——이산서성21개현시위례
Study on the Relative Relationship Between the Present Household's Behavior of Cropping and the Different Levels of Economics in Different Areas——A Case Study 21 Counties in Shanxi
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