您要查找的是不是：
- Called Line Identification Signal A sequence of characters transmitted to the calling terminal to permit identification of the called line. 被叫线路识别信号发往主叫端的一串字符,用以允许识别被叫线路。
- Retransmission Identification Signal 重发识别信号
- Submarine Emergency Identification Signal 潜艇紧急识别信号
- called line identification signal 识别被呼叫线路信号
- calling line identification signal 识别呼叫线路信号
- An identification record for a tape or disk file. 磁带或磁盘文件的标识说明记录。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- I used my driver's license as identification. 我用驾驶执照作为身分证明。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- Everyone uncovered when the signal sounded. 信号响时，人人脱帽致敬。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- A red lamp is used as a danger signal. 红灯用作危险信号。
