Through observing the light beat on oscilloscope, the student can understand the laser Doppler effect and its application.

通过示波器观察光拍现象，可以帮助学生更好地理解多普勒效应，了解激光多普勒效应的应用。

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Outside waves and winds beat the light house with giant hands.

VOA: special.2010.05.08

JPMorgan analyst John Faucher attributes the light beat to fewer shares outstanding, adding that the results were in line with guidance the company gave earlier in the month.

FORBES: Bottler has neither good nor bad news for the quarter.

We're not rushing to beat that light, we're not stressed out waiting in a queue that's caused purely and simply by that red light.

BBC: Viewpoint: Is it time to get rid of traffic lights?

He's the best 140lb fighter for a long, long time and he will beat everything at light-welterweight.

BBC: CHOOSE A SPORT