This paper analyzes the horizontal and vertical variations in water resources according to the distribution laws of various elements of water resources in the river basins.
根据水资源各要素在各流域的分布规律，分析了其水平和垂向上的变异特性。
Most remote sensing systems, although providing images of the horizontal organization of canopies, do not provide direct information on the vertical distribution of canopy elements.
多数遥感系统虽然可以提供植被水平结构的图像，但是不能提供植被成分垂直分布的信息。
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