It is described how to measure the pump lift with pressure difference meter.

介绍了用压差测量仪测试水泵扬程的方法。

youdao

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。

youdao

You find that with any existing simple "noise-meter", vehicles which are judged to be equally noisy may show considerable difference on the meter.

你会发现，使用任何现有的简单“噪音表”，被判定为发出同样大小噪音的车辆，在表上可能显示出相当大的差异。

youdao

From one meter, two meters, you cannot even see the difference.

CNN: Counterfeiters zoom in on fake Ferraris

In 1927, the men's record for the 100-meter dash was 10.6 seconds and the women's was 12.2, a difference of 15%.

WSJ: Can Female Athletes Compete Against Men? In Shooting, Yes