The frequency degree of being visualized was determined by using the land utilization map, numerical model of topography and the incident angle of sight.

通过地形及土地利用图、数值地形模型和视线入射角来确定景观的被视频度；

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The compilation of this map provided scientific basis for controlling soil erosion of sloping cultivated land and its rational utilization in the region.

该图的编制为治理本区坡耕地水土流失、合理利用坡耕地资源提供了科学依据。

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Land use map is the basis of land resource conservation, management and utilization.

土地利用基础图件是新一轮国土资源大调查中系列土地调查的基础。

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