电气设备的接地部分与大地零电位点之间存在对地电压。
There is voltage to ground between ground part of electric equipment and point of zero electric potential of earth.
零线带电现象是指测量点处，零线与大地之间存在较明显的电位差。
The electrification of zero line results from the the potential difference between zero line and the earth.
探讨了电位滴定(PT)法测定的零电荷点的物理意义，认为是零净电荷点(zpnc)。
In this paper, the physical meaning of zero point of charge measured by acid -base potentiometric titration (PT) is discussed and it is considered to be zero point of net charge (ZPNC).
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