Another potential difference looms over Iran.

双方另一个潜在的分歧是伊朗。

What is the unit of potential difference? Volt.

势能差的单位是什么，伏特。

The potential difference between the charges is measured in volts.

电荷之间的电位差是用伏特来测量的。

This potential difference can cause large currents to circulate and create unexpected voltage drops …

这种电位差能够产生很大的电流并且生成不希望有的电压降。

Direct effect. This means that an applied potential difference induces a deformation of the crystal.

逆压电效应正好与正压电效应相反。意味着利用电压形成晶体的变形。

The photoelectric characteristics of conducting polymer MEH - PPV film were studied using contact potential difference ( CPD ) method.

用接触电位差 ( CPD ) 方法研究了导电聚合物MEH-PPV薄膜的光电特性.

The resistance of any length of a conducting wire is easily measured by finding the potential difference in volts between its ends when a known current is flowing.

已知导线中的电流，只要求出导线两端电位差的伏特数，就不难测出何任长度的导线的电阻。

Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.

J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。