單項(xiàng)選擇題

比例尺分別為1︰1000.1︰2000.1︰5000地形圖的比例尺精度分別為()。

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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