SCCPCH信道功率配置影响了我们规划的那些方面（）。

A、小区公共信道广播消息的覆盖范围

B、随机接入和寻呼性能

C、影响小区导频信道德覆盖范围

D、不影响规划任何方面

The symptoms of a fractured back are（）.

A.leg cramps in the muscles in one or both legs

B.pain and uncontrolled jerking of the legs and arms

C.vomiting and involuntary urination or bowel movement

D.pain at the site of the fracture and possible numbness or paralysis below the injury