sound-level meter

基本解釋

A miniature sound-level meter is devised.
介紹了一種袖珍聲級(jí)計(jì)。
At present carries on the survey using the sound-level meter the traditional way, mostly all is the multi-dot cycle survey.
今朝應(yīng)用聲級(jí)計(jì)停止丈量的傳統(tǒng)躰例，年夜多都是多點(diǎn)輪廻丈量。
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.
聲級(jí)計(jì)以其簡(jiǎn)單，方便，成本低，精度高等一系列優(yōu)點(diǎn)，成爲(wèi)航空器噪音測(cè)量方麪主要的測(cè)量?jī)x器之一。