The trends and basic features of the evolution of agricultural forms with economy eras as background can be induced from macro perspective.
以经济时代为背景，从宏观层面归纳出农业形态演变的趋势与基本特征。
The trends and basic features of the evolution of agricultural forms with economy eras as background can be induced from macro perspective.
以经济时代为背景，从宏观层面归纳出农业形态演变的趋势与基本特征。
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