Secondly, for its empirical estimation, the soil AWC of black soils in northeast China was studied by statistics, and its estimating models were established.
其次，运用统计 技术，对我国东北黑土土壤AWC进行了经验估算研究并建立相应的估算模型。
Secondly, for its empirical estimation, the soil AWC of black soils in northeast China was studied by statistics, and its estimating models were established.
其次，运用统计 技术，对我国东北黑土土壤AWC进行了经验估算研究并建立相应的估算模型。
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