The charge measurement range of most electrometers can be extended using external feedback.
大多数静电计的电荷测量范围可以用外部反馈来扩展。
The external feedback mode allows an external device to be used as the feedback element of the electrometer.
外部反馈模式允许使用外部器件来作静电计的反馈元件。
By extending the method used for the case of no external feedback system, a complete set of equations is derived.
通过推广无反馈时的计算方法，导出了描述问题的完整方程组。
When in the external feedback mode, the electrometer will display the voltage across the feedback element. The unknown charge can be calculated from the following formula.
在外部反馈模式下，静电计显示反馈元件上的电压。未知电荷可以由下式计算。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
将静电计置于电压模式，然后打开外部反馈，就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
We then take deep research on the external-feedback effects in high-gain scattering media.
在此基础上，又对散射增益介质的外部反馈特性进行了深入的研究。
We then take deep research on the external-feedback effects in high-gain scattering media.
在此基础上，又对散射增益介质的外部反馈特性进行了深入的研究。
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