Finally, the experiment on the impulse excitation on crossbeam of electronic cabinet proves that the data acquisition system is feasible.

最后通过对电子机柜横梁做激励试验，验证了数据采集系统的可行性。

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A practical measuring system has been set up and some main points are given based on the impulse measurement. All measuring results and simple analysis are presented.

建立了一个具有实用价值的测量系统，指出了基于脉冲测量的要点和注意事项，并给出了各种测量结果和简单分析。

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The door was open and on (an) impulse she went inside.

门开着，她一时心血来潮就走了进去。

《牛津词典》

Usually, the metrical impulse is on the beat.

一般来说,韵律的冲动出现在节拍上

耶鲁公开课 - 聆听音乐课程节选

But, for all that, Thatcher was probably the politician who took on the collectivist impulse with most conviction, against the bitterest opposition.

BBC: Margaret Thatcher: Economic legacy of an Iron Lady

Two closing thoughts on the modern impulse toward U.S. international activism.

WSJ: Would Ike Have Gone to Libya?

My take on this is the democratization impulse is inescapable and the money is not on whether or not American companies will have to seek radically cheaper techniques of production and new approaches to scale but by how much and when.

FORBES: Startups and StartUp America: Can They Really Restart America?