载波干扰比(C/I)是指接收到的希望信号电平与非希望信号电平的比值。根据规范,同频干扰保护比C/I>=()。
A.6dB
B.-6dB
C.9dB
D.-9dB
参考答案:C
He received ten days’ __________ to leave the office because he was often late for work.
A.notice
B.attention
C.information
D.service
下列属于最轻的意识障碍的是()
A.谵妄
B.昏睡
C.轻度昏迷
D.意识模糊
E.嗜睡