Garter snakes detect a chemical signal from earthworms—one of their favorite foods—via the VNO, and they use this signal to track their prey.

束带蛇通过 VNO 探测到来自蚯蚓（它们最喜欢的食物之一）的化学信号，然后它们利用这个信号来追踪它们的猎物。

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With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

通过将正确的设备调整到正确的频率，如何防止小偷干扰你的设备阻止警报信号到达基站呢？

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Yes, signal from radios, cell phones, TV stations, remote controls, you name it.

是的，无线电信号，手机信号，电视台信号，遥控器信号，应有尽有。

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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

It might be getting a signal from this receptor and a signal from this receptor, and a signal from this receptor.

细胞可能同时从这个受体,这个受体,以及这个受体接收信号

耶鲁公开课 - 生物医学工程探索课程节选

How do cells pass the signal from themselves to the next cell?

细胞怎样将信号传递给下一个细胞

耶鲁公开课 - 生物医学工程探索课程节选

And Aereo is taking existing signal from the affiliates, without having to pay the broadcast networks.

FORBES: Aereo: The future of TV is here today

But for now, the loud signal from the Fed is to borrow dollars while you can.

FORBES: The Punch Bowl Is Back

As electrons passed through the waist, the signal from the atoms was indeed detected.

ECONOMIST: Spintronics