...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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day-night equivalent sound level 昼夜等效声级
equivalent continuous sound level 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
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