单选题

比例尺分别为1︰1000、1︰2000、1︰5000地形图的比例尺精度分别为()。

A1m,2m,5m

B0.001m,0.002m,0.005m

C0.01m,0.02m,0.05m

D0.1m,0.2m,0.5m

正确答案

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答案解析