1) calibrator for the sound level meter
![点击朗读](/dictall/images/read.gif)
声级计校准器
2) sound level calibrator
![点击朗读](/dictall/images/read.gif)
声级校准器
3) level adjusts
![点击朗读](/dictall/images/read.gif)
声级校准
4) sound etalon
![点击朗读](/dictall/images/read.gif)
声校准器
1.
Sound etalon is an acoustic measurement equipment of great significance according to the National Measurement Calibration Standards——JJG176-95, a sound etalon is required to conduct calibration in three indexes, i.
声校准器是一种重要的声学计量器具。
5) acoustic calibrator
![点击朗读](/dictall/images/read.gif)
声校准器(声)
6) High sound pressure level calibration
![点击朗读](/dictall/images/read.gif)
高声压级校准
补充资料:声级
见噪声的主观评价。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条