Inject is an instance of One2OneChannelInt that will be used by the controller process to send a new multiplying factor (which also serves as a wake-up signal) to the device.

inject是One2OneChannelInt的实例，由控制器进程使用，用来向设备发送新的乘数(也充当唤醒信号)。

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That way, the natural light of the rising sun will send a signal to your brain to slow its production of melatonin and bump up its production of adrenaline, a signal that it's time to wake up.

这样的话，升起的阳光会发送给你的大脑一个是时候该起床的信号，这个信号会减缓褪黑激素的生产，并提高肾上腺素的生产。

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The brain then suddenly sends an emergency signal, telling the person to wake up and take in a big gulp of air.

然后大脑会忽然发出一个紧急信号，惊醒人们赶紧深呼吸一下。

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In another experiment the researchers wake up sleeping mice by sending a light signal to the hypothalamus, the brain's controller of sleep-wake cycles.

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