The multiple liner regression model indicated that serum TC level was significantly associated with accumulative noisedose, but negative associate with scale of hot environment.
多元线性回归模型分析显示：血清tc水平与累积噪声剂量呈正相关，与高温级别呈负相关。
2
The effect of noisedose on speech communication is discussed.
讨论了噪声剂量对语言听力的影响。
3
Objective To study the dose response relationship between noise exposure and prevalence of noise induced hearing loss(NIHL)in man aircraft maintenance workers.