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。
- 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。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- nautical signal 海上信号
- 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。
- American Ephemeris and Nautical almanac. 美国天文年历和航海年历。
- It may well have a nautical origin. 多数人认为它与航海有关。
- 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。
- A distance of one nautical mile. 一海里的距离
- 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。
- Send out a distress signal; the ship is sinking. 船正在下沉，发遇险信号吧。
- A nautical mile is 1,852 meters. 一海里等于1852米。
- I corrected my watch by the time signal. 我按报时信号校正我的表。
- See: nautical Of or resembling a mariner. 水手的水手的或象水手的沿海省份。
