森林植被层作为水文环境要素，对降水、蒸散和径流等水文通量在空间上的分布特征有着重要的影响作用。
As an important component in hydrological process, forest vegetation influences critically the spatial distribution of hydrological fluxes such as precipitation, evapo-transpiration, and runoff.
上行离子主要分布在近地空间，其通量密度相对于地心距离呈负梯度。
The ionospheric up flowing ion mainly distributes in the near geo space and its flux has a negative gradient versus geo center distance.
不同光源发出的光通量在空间的分布是不同的。
Different source of flux in the space out the distributions differ.
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