Conclusion Recording sound level meter can be well used to measure and assess noise exposure in complicate working environment.

结论个体噪声暴露测量可以较好地解决现场复杂情况下的噪声暴露评价问题。

youdao

Sound-level meter by its simple, convenient, the cost is low, the precision higher a series of merits, become one of aircraft noise measurement aspect main metering equipment.

声级计以其简单，方便，成本低，精度高等一系列优点，成为航空器噪音测量方面主要的测量仪器之一。

youdao

It would even apparently incorporate a noise meter that could automatically trigger various options when the ambient noise hits a certain level.

ENGADGET: Nuance voices found in OS X Lion, patent application suggests new iPhone speech / text capabilities