通常，当仪器的零点检查功能打开时，仪器就会修正零点。
Typically, the instrument is zero corrected while zero check is enabled.
打开零点检查开关将会引起电荷读数的突然变化，称为“零跳”。
Opening the zero check switch will produce a sudden change in charge reading known as "zero hop."
电荷测量：讨论电荷测量中的误差来源和尽量降低误差的方法、零点检查和电荷测量功能的扩展。
Charge Measurements: a discussion of the error sources and ways to minimize them, zero check, and extending the range of the charge function.
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