使用高品质，高容量和低阻抗的电池。

Use high quality, high capacity and low-impedance battery.

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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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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).

youdao