[噪声/等效噪声级（Equivalent noise level）] A 权重）：心形：28.0 dB 声压级；超心形：26.5 dB 声压级；全向：20.5 dB 声压级
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... 指向性特性 Polar pattern: 信噪比 Equivalent noise level: 最大输入声音级 Maximum Input Sound Level: ...
基于12个网页-相关网页
... EMS Energy Management System 能源管理系统 ENL Equivalent Noise Level 当量噪声级;等效噪声级 ENSO El Nino/Southern Oscillation 恩索现象 ...
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aircraft equivalent noise level 飞机等效声级
equivalent input noise level 等级输入噪声 ; 等效输入噪音 ; 等效输入噪声
day equivalent noise level 昼间等效声级Ld
night equivalent noise level 夜间等效声级Ln
equivalent noise pressure level 等效噪声声压级
equivalent continuous noise level 等效连续噪声级
community noise equivalent level 小区噪声等效位准
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。
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。
Aiming at the traffic noise problem of Lhasa, the author USES artificial neural network theory and method to predict the equivalent consecutive sound level of traffic noise in Lhasa.
针对拉萨市道路交通噪声污染问题，运用人工神经网络理论和方法对拉萨市道路交通噪声的等效连续声级进行预测。
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