GSM系统中移动台的跳频速率是().
A.每比特一跳
B.每比特符号一跳
C.每个时隙一跳
D.每个TDMA帧一跳
参考答案:D
They suggested not only___________ to the party but also give a performance.
A.did we go
B.should we go
C.we should go
D.thought
与我国雨带季节性位移有密切关系的天气系统是()
A.东风波
B.西风大槽
C.台风
D.西太平洋副高