但是，一种新的设备可以通过抑制一些大脑信号来防止晕车。
But, a new device could stop motion sickness by suppressing some signals in the brain.
它可有效地提取信号的主要特征和抑制噪声。
It can effective extract principal features of the signal and repress the noise.
这就是心脏受抑制的信号，这也是开始CPR的时候了。
These are signs of cardiac arrest — and this is the time to begin CPR.
它提供卓越的信号质量，低相噪，良好的谐波抑制和低杂散。
It provides superior signal quality, low phase noise, good harmonic suppression and low spurious.
它提供卓越的信号质量，低相噪，良好的谐波抑制和低杂散。
It provides superior signal quality, low phase noise, good harmonic suppression and low spurious.
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