signal

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：

The sending of a signal, picture, or other information from a transmitter.

播送从一发射机发送信号、图像或其它信息

In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply.

在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。

A signal or signals(possible sent as a sequence of messages) requesting specific information.

请求特定信息的一种信号或几种信号(可能以信息序列发送)。

The signal is at danger.

信号旗指在危险的位置上。

Pertaining to a signal or area which contains either encrypted classified or unclassified information.

用于修饰或说明包含加密的保密或不保密信息的信号或区域。

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 colored flare used as a warning signal for trucks and railroad trains.

信号火一种为卡车或火车作警告信号的有色火焰

A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity of a signal.

干扰噪声一种干扰，尤指一处任意的和持续的干扰，使信号变模糊或减少

A radio signal tells the pilot of an airplane when his plane is off the beam.

飞机脱离航道时，会有一个无线电信号告诉驾驶员。