Objectives In order to observe the effect of steadystatenoise on cardiovascular function.
目的为探讨稳态噪声对心血管功能的影响，对连续接触稳态噪声的工人进行了调查。
2
Objective To analyse the effects on occupational workers hearing loss caused by steadystatenoise, impulsive noise and segmental vibration.
目的比较和分析稳态噪声、脉冲噪声、脉冲噪声与振动联合作用对作业工人听力的影响。
3
The following conclusions were:first, non steadystatenoise had great influence on animal behavior, and the longer the exposure was, the greater the influence became.