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常规对讲机系统比集群对讲机系统频率利用率( )。
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发布时间: 2023-11-19 12:17
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常规对讲机系统比集群对讲机系统频率利用率( )。
A.A、高
B.B、一样
C.C、低
D.D、不可比较
正确答案是C
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