单项选择题
比例尺为1:1000、1:2000、1:5000地形图的精度分别为()。
A.1m,2m,5m
B.0.001m,0.002m,0.005m
C.0.01m,0.02m,0.05m
D.0.1m,0.2m,0.5m
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单项选择题
A.1m,2m,5m
B.0.001m,0.002m,0.005m
C.0.01m,0.02m,0.05m
D.0.1m,0.2m,0.5m
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