...等效声级（Leq）； 声暴露级（SEL）； 主观烦恼度； 睡眠干扰[gap=970]Key words acoustics ; airport noise ; equivalent sound level ; sound exposure level ; annoyance ; sleep disturbance ..
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... equivalent stress level 等效应力水平 equivalent sound level 等效声级 ; 均能音量 thermal equivalent spectrum level 热当量光谱仪 ...
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day-night equivalent sound level 昼夜等效声级
equivalent continuous sound level 等级连续声级 ; 等效连续声级
equivalent sound level a 等效a声级
Average Equivalent Sound Level 平均等效声级
equivalent sound level increment 等效声级增量
day-time equivalent sound level 昼间等效声级
night-time equivalent sound level 夜间等效声级
Conclusion the average equivalent sound level maybe as comprehensive index to evaluate the noise hazard in industrial enterprises.
结论平均等效声级可以作为评价和比较工业企业的噪声危害程度的综合指标。
Results The average equivalent sound level and the detectable rate of workers hearing loss were exponential positive correlation, the coefficient of correlation r was 0 812 45.
结果听损检出率随平均等效声级的增加而呈明显的增加趋势，平均等效声级与噪声作业人员的听损检出率呈密切的指数正相关关系（相关系数r为0 812 45 ）。
The sound produced by the vacuum cleaner amounts to about 68 decibels, equivalent to the noise level of a normal conversation.
这种吸尘器制造的音量大约在68分贝，相当于稍微大声点的普通谈话音量。
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