A signal flare is usually shot when troops make a sudden attack at night.

部队夜间发动突然袭击时通常发射信弹。

And here is what would happen if we broadcast our existence into outer space?

我们来看看，如果向外太空发射我们存在信会怎样？

That is, any signal that's emitted today.

任何今天发射信。

Another prank involved a pocket device Wozniak built that could emit TV signals.

在另一场恶作剧中，使用到了沃兹尼亚克发明一个可以发射电视信装置。

(Electrical signals firing) Or we can watch them as they sparkle with electrical activity.

（电信发射）我们也可以看着它们迸射出电信火花。

The underwater drones then fire signals, measuring variations in height down to the tiniest detail.

然后水下无人机发射信，测量度变化，甚至是最小细节。

They work by sending out pulses of high-frequency sound and then interpreting the reflections as images.

机理过程是，通过发射波脉冲信对反射信进行成像解读。

I mean for a woman who is not interested you sure are sending some mixed signals.

对于一个不怎么感兴趣女人来说，你就是在发射暧昧信。

But the FAA said signal strength and the transmitting direction of 5G towers could be the problem.

但美国联邦航空局表示，5G发射塔信强度和发射方向可能是问题所在。

As the boat begins to sink, Violet creates a signal fire and a rescue boat assists them.

当船开始下沉时，维奥莱特发射了一个信火，一艘救援船帮助了他们。

The European Union requires AIS broadcasts from all ships longer than 15m, while Americans spare those shorter than 19m.

欧盟要求所有长度超过15米船只发射AIS信，而美国则不要求长度小于19米船只发射AIS信。

The sturdy steel is generally used in 5G base station signal receivers, signal transmission filters and integrated circuit boards.

坚固钢一般用于 5G 基站信接收器、信发射滤波器和集成电路板。

Now, this is not just conceptual: this tablet is transmitting Bluetooth, and I'm wearing the vest right now.

这个平板电脑正在发射蓝牙信， 而且我正穿着这样背心。

There have been neurons shooting in different directions.

已有神经元向不同方向发射信。

So the immediate thought was, right, we'd better let off some flares.

于是，立刻想到是，对，我们最好发射些信弹。

Mobile phones get signals from nearby radio transmitters that permit the devices to connect to frequencies to make calls and send data.

移动电话从附近无线电发射器接收信，进而使该设备连接到率进行通话和发送数据。

The state news agency said that a launching platform set up to fire rockets into Israel had been destroyed, killing five militants.

国家新闻机构称一座用于向以色列发射火箭信发射台被毁，导致5名军人死亡。

You sure are sending some mixed signals.

你就是在发射暧昧信。

You have a transmitter who is sending a signal.

您有一个正在发送信发射器。

The brain can counter it if it's not a good time to urinate by sending another signal to contract the external urethral sphincter.

通过发射另一个信来控制尿道外括约肌大脑会判断现在是不是排尿合适时机。