单选题在对市区宏蜂窝网络进行覆盖规划时,电子地图需要的精度至少为:()A5米B20米C50米D100米
单选题
在对市区宏蜂窝网络进行覆盖规划时,电子地图需要的精度至少为:()
A
5米
B
20米
C
50米
D
100米
参考解析
解析:
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