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物体在空间存在的形式常用尺寸、形状、位置等来描述,坐标是物体在空间存在和运动描述最基本的形式。坐标测量是确定物体在空间的位置和描述其运动规律最方便的方法。没有测
Objects exist in space in the form of commonly used dimensions, shapes, locations, etc. to describe the coordinates of the object exists in space and motion description of the most basic form. Coordinate measurements are the most convenient way to determine the position of an object in space and to describe its motion. Not measured