自身的神经系统利用肾上腺素，一种神经传递介质或者说是化学信使，把信号传递在身体的各个部位以刺激“战或逃反映”。
The autonomic nervous system USES the hormone adrenaline, a neurotransmitter, or chemical messenger, to send signals to various parts of the body to activate the fight-or-flight response.
CRF是一种神经传递介质，意味着它可以帮助脑细胞之间的信号传递，有些神经元“送出”CRF信号，而有些受体则会“接受”它。
CRF is a neurotransmitter, meaning it helps communicate signals between brain cells. Some neurons "send out" the CRF signal while others contain receptors to receive it.
随着时间的推移，它通过消耗神经细胞中一种叫做P物质(或称肽物质，一种神经传递介质)的化学物质来减轻疼痛，该物质使痛觉信号沿神经末梢传递至大脑。
Over time, it short-circuits pain by depleting nerve cells of a chemical called substance p, which helps transfer pain signals along nerve endings to the brain.
该装置以压缩空气为介质进行信号传递和控制，并能根据需要调节检漏压力、流量和时间。
This device can transmit signal and control through the medium of compressed gas, and can adjust testing pressure, flow rate and time according to the automatic controlling requirement.
如何看待液压传动系统中传递能量和信号的工作介质？
How to regard in the hydraulic actuation system to transmit the energy and the signal actuating medium?
如何看待液压传动系统中传递能量和信号的工作介质？
How to regard in the hydraulic actuation system to transmit the energy and the signal actuating medium?
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