它们的使用不仅反映了听说者之间相互关系和势位差别，而且也构建了他们之间的复杂关系和言语势位。

The usage not only reflects their interrelationship and their difference of the power status between listeners and speakers, but also builds their complex relationship and speaking power status.

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根据电压补偿原理，设计了自组电位差计的几种实验电路，用于测量干电池的电动势和内阻。

According to the voltage compensation method, several experiment circuits of potentiometer are designed to measure the voltage and the internal resistance of the dry battery.

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讨论了用伏特计代替电位差计测电源的电动势和内阻的新方法。

A new method of measuring electromotive force and internal resistance of source using voltmeter instead of potentiometer was studied.

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