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三幅地形图的比例尺分别为:1︰1000、1︰2000、1︰5000,则其比例尺精度分别为( )。
·1m;2m;5m;
·0.1m;0.2m;0.5m;
·0.01m;0.02m;0.05m;
·0.001m;0.002m;0.005m;
·1m;2m;5m;
·0.1m;0.2m;0.5m;
·0.01m;0.02m;0.05m;
·0.001m;0.002m;0.005m;
参考答案
