GSM信道选择式直放站所在施主小区的载波数必须()直放站的信道数A.大于或等于 B. 发布时间:2017-11-01 14:47 │ 来源:www.tikuol.com 题型:单项选择题 问题: GSM信道选择式直放站所在施主小区的载波数必须()直放站的信道数A.大于或等于B.小于或等于C.小于D.大于
题型:单项选择题 Control of fire on a ship should be addressed().A.immediately after restoring vital servicesB.immediatelyC.following control of floodingD.following establishment of fire boundaries 查看答案