地形图数字化误差造成地物几何形变，采用测量平差的理论方法可以减弱形变。
The digitalization errors of topographic map result in geometry change for the objects on the earth. We can reduce geometry change by means of measuring adjustment.
地形图数字化误差造成地物几何形变，采用测量平差的理论方法可以减弱形变。
The digitalization errors of topographic map result in geometry change for the objects on the earth. We can reduce geometry change by means of measuring adjustment.
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