例句與造句

1. This article firstly deal with the sound source , noise measurement and analysis , noise control principle and some basic noise control technology , then elaborate the current noise detection standard and method for the coach in our country , the noise mechanism . characteristics and the measures of noise - controlling , finally . describe the actions of noise control , noise detection and optimization in our coach detailedly , which have met with the expectation
   本文首先敘述了聲音的產(chǎn)生原因、噪聲的度量和分析方法；介紹了噪聲的控制原理和原則以及一些基本的噪聲控制方法。然后，介紹了我國目前的客車車內(nèi)噪聲的檢測標(biāo)準(zhǔn)和方法；詳細闡述了客車主要噪聲源的產(chǎn)生機理和噪聲特性以及車內(nèi)噪聲控制措施；最后，理論與實際相結(jié)合，對我公司的lck6122型大型客車采取了相應(yīng)的噪聲控制措施以及并其進行了測試和優(yōu)化。
2. It's difficult to find basic noise in a sentence. 用basic noise造句挺難的