实验表明：净风对土表的风蚀作用微弱，即使在遭到大风吹刮时，土表的结壳仍不易受到破坏。
The experiment indicates that wind itself is of weak effect on ground surface erosion, so that the soil crust may not be destroyed even under great wind velocity.
采用结壳法对三种滨海盐渍土的非饱和导水率进行了研究。
The crust method was used to study the unsaturated hydraulic conductivity of three kinds of seashore saline soil.
土—结相互作用的时域分析计算量很大，为减小计算量，提出了计算褶积分的有效方法。
To reduce the large amount of computation in the time domain analysis of SSI problem, an effective algorithm of calculating the convolution integrals was presented.
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