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- Judged Perceived Noise Level 判定的感觉噪声级
- equivalent continuous perceived noise level 等效连续感觉噪声级
- effective perceived noise level EPNL 有效感觉噪声级
- weighted effective continuous perceived noise level 计权有效连续感觉噪声级
- weighted equivalent continuous perceived noise level 加权等效连续感觉噪声级, 计权等效连续感觉噪声级
- perceived noise level 感觉噪声级
- perceived noise level in dB 用分贝表示的可感杂音
- effective perceived noise level 有效感觉噪声级
- Structure of very low noise level. 低噪音结构。
- Noise level shall comply with the EU guidelines. 噪音级别应符合欧盟的指导方针。
- The quality of urban living has been damaged by excessive noise levels. 城市生活的质量已被过度的噪音所破坏。
- The noise level of air supply unit should be marked on the drawing. 机组要有噪声要求。
- Airflow system maximizes air volume at minimum noise level. 空气动力系统使加热器在最大出风量时将噪音降到最低。
- Regulation on noise levels on board sea-going ship. 海洋船舶噪声级规定。
- The ultimate noise levels are the same. 最终的噪音水平是一样的。
- Latest generation speed reducing gear pair (high efficiency, low noise level). 最新一代减速齿轮对(高效,低噪音)
- Noise level is higher, everyday concessional working hours is shorter. 噪声级越高,天天容许工作时间越短。
- He judged the distance to a nicety. 他判断距离很正确。
- effective perceived noise decibel 有效感觉噪声分贝
- It is forbidden to manufacture,sell or import automobiles that emit noise beyond the limits set on noise level. 禁止制造、销售或者进口超过规定的噪声限值的汽车。
