该保护端由一个单位增益的低阻抗放大器驱动。

This guard is driven by a unity-gain, low impedance amplifier.

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这个屏蔽由一个单位增益的低阻抗放大器(保护)驱动。

Now this shield is driven by a unity-gain, low impedance amplifier (Guard).

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增益就是放大器放大信号的倍数。

Gain is the number of times the amplifier amplifies a signal.

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增益就是放大器放大信号的倍数。

Gain is the number of times the amplifier amplifies a signal.

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