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【单项选择题】

Reusing frequencies in a cellular pattern (compared to “one big cell”)()

A、A. Increases channel utilization, cost ,and interference.

B、B. Increases capacity and cost, but decreases interference.

C、C. Increases capacity, but decreases cost and interference.

D、D. Increases capacity, cost, and interference.

更多“Reusing frequencies in a cellular pattern (compared to “one big cell”)()”相关的问题
第1题

A、Reducing(减量化),即减少对资源的开发、利用和消耗  B、Recycling(循环),即资源要循环利用  C、Reusing(资源化),即将废弃物变为可利用的资源  

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第3题

A、frequency hopping  B、frequency spreading  C、frequency sequence  D、chirp  

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第4题

A、double frequencies  B、single frequency  C、dedicated frequency  D、multiple frequencies  

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第5题

A、Standing by on VHF frequency  B、Coming to VHF frequency  C、VHF frequency. is the best place for you to stay by  D、remaining in frequency. and do not change  

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第6题

A、slightly less than the line frequency  B、the same as the line frequency  C、slightly greater than the line frequency  D、All of the above  

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第7题

A、higher than the bus frequency  B、lower than the bus frequency  C、the same as the bus frequency but out of phase with it  D、the same as the bus frequency and the circuit breaker may be closed at any pointer position  

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第8题

A、slightly less than the oncoming generator frequency  B、the same as the bus frequency  C、slightly greater than the bus frequency  D、the same as the bus voltage  

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