您要查找的是不是：
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- checkpoint signaling 关卡信号转导
- 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。
- 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。
- No checkpoint record was found in the cluster log. 群集日志没有发现检查点记录。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- You should pass through the red checkpoint. 你应该通过那个红色检查站。
- A programmed return to a prior checkpoint. 由程序规定返回到前一个检查点。
- 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。
- Everyone uncovered when the signal sounded. 信号响时，人人脱帽致敬。
- There are border guards at the checkpoint crossing. 边防检查站的过境处有卫兵执勤。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- To checkpoint and dump your heap. 对堆执行检查点并转储它。
- A red lamp is used as a danger signal. 红灯用作危险信号。
- This is most likely to happen to a checkpoint file. 检查点文件很可能出现这种情况。
- Send out a distress signal; the ship is sinking. 船正在下沉，发遇险信号吧。
