上个世纪中期,噪声的危害受到普遍重视,被称为世界公害。科学工作者进行了大量研究,采取了一些相应的防护措施,在发达国家噪声危害得到了较好的控制。但由于某些原因,还有些一些地方噪声危害依然很严重,正在危害着人们的健康。首先让我们看一看什么是噪音?从定义上看,噪音就是使人感到厌烦或不需要的声音。比如,在办公室从事脑力劳动的人员,周围同事的说话声也会干扰工作,成为噪声;对于轮班工作的人员,当下班后需要睡眠时,即使播放音乐,对他们来说也 The mid-century, the harm of noise by universal attention, known as the world’s public nuisance. A great deal of research has been carried out by scientific workers and some corresponding protective measures have been taken, and the noise hazards in developed countries have been well controlled. However, for some reason, some places still have serious noise hazards and are endangering people’s health. First let’s take a look at what is noise? By definition, noise is annoying or unwanted. For example, the employees who work in the office and the colleagues around can interfere with their work and become noise. For shift workers who need sleep after get off work, even if the music is played, it is also for them