It is the objective basis of the map express for the qualitative and quantitative specific property of planimetric feature and its relation of time and space.
地物的质量和数量特征及其时空关系是地图表示的客观基础。
It is the objective basis of the map express for the qualitative and quantitative specific property of planimetric feature and its relation of time and space.
地物的质量和数量特征及其时空关系是地图表示的客观基础。
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