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- room noise level 室内噪声电平
- 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 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。
- 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。
- 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)
- Good sound-insulated Performance : The thick insulation laminated glass used in the middle membrane.Blocking noise level of 30 decibels or above.will be entirely up to the road block to 80 dB noise level of 50 dB below the quiet room. 隔音性能好：夹层玻璃使用较厚的中间膜时，阻隔噪音达30分贝以上，完全可将马路上高达80分贝的噪音阻隔至50分贝以下安静室内的程度。
- Regulation on noise levels on board sea-going ship. 海洋船舶噪声级规定。
- Helps eliminate stage rumble or other low-frequency room noise such as that coming from heating, ventilation, or cooling( HVAC) systems. 有助于消除舞台上的嗡嗡声或其它来自暖通空调（vac）统的低频室内噪音。
- The ultimate noise levels are the same. 最终的噪音水平是一样的。
- 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。
- Helps eliminate stage rumble or other low-frequency room noise such as that coming from heating, ventilation, or cooling (HVAC) systems. 有助于消除舞台上的嗡嗡声或其它来自暖通空调（HVAC）系统的低频室内噪音。
- This makes it a harder problem for your brain to solve because your friend's transmitted voice and the room noise are tinny and mixed together in one source. 因为你朋友传来的声音和房间的声音细弱无力，且共同混合成一个声音源。所以这就给大脑出了一道难题。
- This revision provides an enhanced version of the E-model to better take into account the effects of room noise at the send side, and quantizing distortion. 本修正提供了一个E模型的增强版，为更好地考虑发射端房间噪声和量子化扭曲效应。
- 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。
- The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band. 声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
- Feel relaxed - reduce noise level and bright lights. You may want to use soft music in the background. 放轻松一点-使周围保持安静并且点亮灯。你可以用一些柔和的音乐做背景。
- Adjust your surroundings as you would for a meditation: lighting, noise level, temperature, clothing, glasses, shoes. 调整你的环境使之有利于你的冥想;光线,噪音等级,温度,衣着,眼镜,鞋。
- Babyphone Feature allowing calls to an off-hook telephone to listen to room noises, for example, to check if a baby is crying. 一种电话特性,允许呼叫某个摘机电话收听室内噪声,比如婴儿是否在哭。
