The field tests are carried out to study the characteristics of heterogeneous soil water flow in tilled land and fallow field respectively.
通过田间试验研究探讨了土壤水非均匀流动特性及其描述方法。
Results show that this method judges the thrust system effectively and is dependable basis for drive distribution control when shield tunneling machine thrust in heterogeneous soil.
结果表明，该方法能够有效评价推进系统状态，并可为盾构机异质岩土掘进时驱动力分配的控制提供依据。
The heterogeneous nature of rock and soil would prohibit recording the very high-frequency components present in the pulses.
岩石与土壤的不均匀性质有碍于记录脉冲中很高的频率成分。
The mean concentration equation of adsorbing solute transport in heterogeneous unsaturated soil was studied based on the spectrum analysis of the spacial random field.
本文应用随机场的谱分析方法，研究了吸附性溶质在非饱和、非均匀土体中运动时平均浓度所遵循的基本方程。
A start of preferential research symbolizes that mechanism of soil water movement is from homogeneous to heterogeneous field.
开展优先流研究，是土壤水运动机制研究由均质走向非均质领域的标志。
A start of preferential research symbolizes that mechanism of soil water movement is from homogeneous to heterogeneous field.
开展优先流研究，是土壤水运动机制研究由均质走向非均质领域的标志。
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