signals

过去分词：

动词过去分词: signaled/signalled

更多词形：

名词: signaler | 动词过去式: signaled/signalled | 动词过去分词: signaled/signalled | 动词现在分词: signaling/signalling | 动词第三人称单数: signals/signals |

单词例句：

There is no video signal.

没有视频信号。

In telephony, a signal used by a telephone operator to gain the attention of another, or a signal sent by a subscriber held by an operator to gain the latter's attention.

在电话技术中，电话操作员使用的一种信号，用来获得另一次注意，或由操作员保持的用户发送的一种信号，用以获得随后的注意。

The status or condition of being ready to run. A program, task, or hardware device that is in a ready condition needs only a start signal in order to begin operation.

准备就绪即可运行的状态。一个程序、任务或硬件设备在处于就绪状态时，只需要一个起动信号就开始工作。

The signals go to and fro at a very high but almost constant speed.

那些信号用非常快但几乎不变的速度来回传送。

I stood watching for the signal to change to green.

我站着等待交通信号转为绿灯。

It is the simplest signal to make, in time of danger or disaster.

这是在遇到危险或灾难的时候能发出的最简单的信号。

Send out a distress signal; the ship is sinking.

船正在下沉，发遇险信号吧。

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。

Everyone uncovered when the signal sounded.

信号响时，人人脱帽致敬。