box potential difference meter 箱式电位差计
11-cord potential difference meter 十一线电位差计
new electric potential difference meter 新型电位差计
Planar Electric Potential Difference Meter 板式电位差计
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The principle and the method of making a special power supply for a small, highly stable potential difference meter are introduced. It finds comprehensive application in college physical experiments.
本文介绍了一种小型高稳定电位差计专用电源的原理及制作方法。该电源在大学物理实验中具有较广泛的使用价值。
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