目前获取DEM的主要方式有:地面测量方法、现有地图数字化法、基于空间传感器法及数字摄影测量法。
At present, the main ways to obtain DEM are: ground measurements method, the paper map digitization method, space-sensors based methods and digital photographic methods.
目前获取DEM的主要方式有:地面测量方法、现有地图数字化法、基于空间传感器法及数字摄影测量法。
At present, the main ways to obtain DEM are: ground measurements method, the paper map digitization method, space-sensors based methods and digital photographic methods.
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