Determining the standard farming system is a basic work to grade the farmland.
标准耕作制度的确定是农用地分等定级的基础性工作。
The settlement for the farming emigrants due to the building of reservoirs is a complicated socioeconomic system and there is no existing evaluation standard for its results.
水库农村移民安置是一个复杂的经济社会系统，对其安置绩效进行预测和评估，还没有现成框架可以参照。
The settlement for the farming emigrants due to the building of reservoirs is a complicated socioeconomic system and there is no existing evaluation standard for its results.
水库农村移民安置是一个复杂的经济社会系统，对其安置绩效进行预测和评估，还没有现成框架可以参照。
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