Today,VOA broadcasts to satellites in space that send the signal back to stations on the ground that transmit programs with a clear signal.

VOA: special.2010.12.08

And so yes, the signal that this field of discursivity is on the table is introduced by the name of the author but it remains just a name.

所以的确，这种公开的散漫性的信号,就通过作者的名字被介绍出来，而且也仅仅只是个名字。

耶鲁公开课 - 文学理论导论课程节选

The heater is on, it's producing heat until a negative signal is registered, 'oh we've gone too high', and then it turns off.

加热器会开着,一直产生热量直到它得到一个关闭的信号,噢我们弄得太热了,然后就关闭了

耶鲁公开课 - 生物医学工程探索课程节选

A green light on a traffic signal means your car can continue on.

VOA: special.2010.05.23

Most frequently, chord changes come on the downbeat so composers signal to us in a fourth way the downbeat by means of chord change.

通常,和弦的变化都在重拍上,所以作曲家们用这第四种途径,通过和弦的变化告诉我们重拍的位置

耶鲁公开课 - 聆听音乐课程节选

A signal from the TV tells each side of the glasses when to turn on and off, showing each eye slightly different images that create the sense of depth.

VOA: special.2010.01.26

Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

"When we praise what the Palestinians do on security, it is meant to send a signal that progress is underway, and it is progress toward a two-state solution.

VOA: standard.2009.11.02

Another characteristic of the synapse is that the post-synaptic membrane, the membrane of the cell which is going to receive the signal has receptors on it.

突触的另一个特征是,它们都有一个突触后膜,这个膜上含有受体,可以接受信号

耶鲁公开课 - 生物医学工程探索课程节选

"Supporters of Iran or affiliates such as Hezbollah or Hamas, they quickly have picked up on the signal that Iranian influence is perhaps not as valuable as Turkish influence."

VOA: standard.2010.07.26

If the temperature drops below a certain level it sends a signal, 'turn on the heat', and that signal stays on until it gets a negative signal to turn off.

如果温度降到一定程度以下时,探测器会发送一个信号,打开加热器,直到加热器再收到关闭的信号,它就会一直开着

耶鲁公开课 - 生物医学工程探索课程节选

He said under questioning the travel plan should not be seen as any kind of political signal, other than Clinton's intention, on this trip, to highlight the U.S.-India relationship.

VOA: standard.2009.07.15

Here's where the intelligence of the immune system comes in, is that these cytotoxic T-cells that are generated only kill cells that have this signal on it.

免疫系统的聪明之处就在此,这些细胞毒T细胞,只能杀死具有特殊标记信号的细胞

耶鲁公开课 - 生物医学工程探索课程节选

The alleged use of special operations troops in the raid could signal a shift away from the controversial U.S.tactic of relying on long-range missile assaults to take out terrorist targets.

VOA: standard.2009.09.15

When you touch boiling water, for example,get a cut, or even exercise too much, a special receptor on the neuron is activated, sending a signal to the brain - that hurts!.

VOA: standard.2010.05.04

"She's not really trying to send any signal at all. This is a trip where we're trying to focus on India and really highlight the new strategic partnership, and again all the people-to-people ties.

VOA: standard.2009.07.15

Muhammad Salim Akhtar of the American Muslim Task Force on Civil Rights and Elections says Obama administration support for the opposition would send a signal that the United States favors full democracy in Pakistan.

VOA: standard.2009.03.11