Why is the woman waiting A: She has to travel together with the man. B: She doesn't know her whereabouts well. C: She has just missed the No.7 bus. D: The No. 7 bus is lat
Why is the woman waiting A: She has to travel together with the man. B: She doesn't know her whereabouts well. C: She has just missed the No.7 bus. D: The No. 7 bus is lat
No.7链路使用的数字通道速率是（）。
No.7链路使用的数字通道速率是（）。
我国No.7信令网由（）、（）和（）三级组成。
我国No.7信令网由（）、（）和（）三级组成。
Why is the woman waiting A: She has to travel together with the man. B: She doesn't know her whereabouts well. C: She has just missed the No.7 bus. D: The No.7 bus is late.
Why is the woman waiting A: She has to travel together with the man. B: She doesn't know her whereabouts well. C: She has just missed the No.7 bus. D: The No.7 bus is late.
No.7 ____ will take a few minutes, and your device will be disabled during the process.(install)
No.7 ____ will take a few minutes, and your device will be disabled during the process.(install)
No.7信令系统属于随路信令系统。
No.7信令系统属于随路信令系统。
No.7信令系统的功能结构分为哪几个部分？
No.7信令系统的功能结构分为哪几个部分？
我国目前使用的No.7信令就是公共信道信令。
我国目前使用的No.7信令就是公共信道信令。
NO.7信令方式规定的基本信号单元格式有（）、（）、（）。
NO.7信令方式规定的基本信号单元格式有（）、（）、（）。
在NO.7信令系统中，信令中继线路信号采用（）
在NO.7信令系统中，信令中继线路信号采用（）