The method mentioned in the article is to measure the vibration of the surface of the machinery and noise radiation in the air so that the noise decibel of the machinery can be precisely determined.
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美
- 本文闡述了一種能在生產(chǎn)現場(chǎng)條件較差的情況下測定其機電產(chǎn)品噪聲值的較為理想的方法,即用測量機電產(chǎn)品表面的振動(dòng)量來(lái)確定空氣噪聲輻射,從而比較精確地測定其機電產(chǎn)品的噪聲值。
