地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。
Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.
它们不但为矿床的形成提供了成矿金属，而且由于渗透率较大而为成矿流体的大规模侧向流动提供了通道。
It has been proved that the clastic rock not only provide Pb and Zn for the deposits but also channeled the ore fluids during mineralization.
然而，羽毛的稀疏分布也使得皮肤表面形成相当大量的侧向空气流动，从而可以通过对流进一步散热。
The sparse distribution of the feathers, however, also allows considerable lateral air movement over the skin surface, thereby permitting further heat loss by convection.
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