They fired three distress signals.
他们发射了3次遇难求救信号。
The crew did not send out any distress signals.
机组人员没有发出任何求救信号。
We overlook all sorts of warning signals about our own health.
我们会忽视关于我们健康的各种警报信号。
The smoke signals from the bank suggest further cuts are coming.
来自此银行的各种信号表明会有进一步的降息。
Reducing prison sentences would send the wrong signals to criminals.
减刑会向犯罪分子发出错误的信号。
Callahan posits that chemical elements radiate electromagnetic signals.
卡拉汉假定化学元素放射电磁信号。
Radio signals received from the galaxy's centre back up the black hole theory.
从该星系中心接收到的无线电信号证实了黑洞理论。
About 60,000 subscribers have special adapters to receive and decode the signals.
大约60000用户有专用适配器来接收和转换信号。
It will need other chips to reconvert the digital code back into normal TV signals.
需要用其他芯片把数字代码重新转换成普通的电视信号。
He demonstrated how audio signals could be transmitted along cables without distortion.
他演示了音频信号如何通过电缆传输而不失真。
The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
这部照相机内部有故障保险装置，可以令照相机在未接收到正确信号时无法运行。
The signals were coming through!
信号来了！
Signals are made with flags or lamps.
信号是用旗或灯发出的。
It refers to flexible timing of traffic signals.
它指的是交通信号的弹性计时。
To test how responsive dolphins are to various signals.
测试海豚对各种信号的反应。
Alien languages are signals carrying pictures and music.
外星语言是携带着图片和音乐的信号。
The signals travel only one way, from satellite to device.
信号传送只是从卫星到设备的单通道传输。
He would hang out no signals, he would take notice of none.
他不会挂出任何求和的信号，也不会注意到别的信号。
Cells in plants also communicate through electrical signals.
植物细胞也通过电信号进行交流。
Many species have evolved clear signals to delineate playfulness.
很多动物进化出了明确表述玩耍的信号。
Animal signals, such as the complex songs of birds, tend to be costly.
动物发出的信号，如鸟类复杂的鸣叫声，往往代价高昂。
We see the warning signs and signals when things get rough and difficult.
当事情变得艰难时，我们就会看到警告标志和信号。
When submerged, they're also able to emit signals from depths of 20,000 ft.
潜入水中后，它们仍能从2万英尺深处发射信号。
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