用所设计的测量系统实测了标准空气电容器的电压系数，给出了测量结果及不同电压下的不确定度。
The voltage coefficient of a standard air capacitor was measured by the designed measuring system. The results and uncertainties under different voltages are given.
然而，要使用电容器就必须明白其特性：包括电容值、额定电压值、温度系数以及泄漏电阻等。
However, to be useful, they must be characterized for capacitance value, voltage rating, temperature coefficient, and leakage resistance.
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