The physical character of soil was also improved after covering straw. The soil bulk density was reduced. Field moisture capacity and porosity percentage were increased.
覆草后土壤的物理性状也得到改善，土壤容重降低、田间持水量和孔隙度提高。
By the numerical simulation validation of moisture distribution and thermal field, it is indicated that the model in the thesis is feasible.
经过颗粒饲料的水分分布和温度场模拟验证结果表明，本文所建立的模型是可行的。
The HELP code was validated using data of field aerated moisture movement test by China Institute for RadiationProtection. The results show that simulation of HELP code is reasonable.
用本院包气带水分运移现场试验数据对HELP程序进行了验证分析，结果表明HELP程序的预测结果是合理的。
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