ground position meaning in Chinese
地面位置
Examples
- A digital elevation model ( dem ) is a digital file consisting of terrain elevations for ground positions at regularly spaced horizontal intervals . dem may be used in the generation of three - dimensional graphics displaying terrain slope , aspect ( direction of slope ) , and terrain profiles between selected points
数字高程模型( dem )是反映高程信息的数字地面模型，它是以数字的形式按一定的结构组织在一起、表示实际地形高低起伏和地形大小特征的空间分布模型。