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- external noise level 外部噪声电平
- 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。
- Yet sometimes dampening external noise 100-millionfold isn't enough. 然而，有时候对外来杂讯抑制一亿倍还是不够。
- 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。
- The equivalent of external noise is the inner noise of thinking. The equivalent of external silence is inner stillness. 内在思维的嘈杂与外界的喧嚣是等量齐观的；内在的寂照与外界的静谧也是如此。
- 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)
- The primary reason to ground your sound system is for safety. A secondary reason to ground is to reduce external noise pickup. 系统接地的第一个好处是安全,第二个好处是减少而外的噪音。
- Regulation on noise levels on board sea-going ship. 海洋船舶噪声级规定。
- 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。
- UTP contains no shielding and is more susceptible to external noise but is the most frequently used because it is inexpensive and easier to install. UTP不含遮蔽且较易受外部的杂讯影响，但是因为它较便宜且易于安装，因此最常被使用。
- The ultimate noise levels are the same. 最终的噪音水平是一样的。
- Cushioned ear pads block out most external noise, and active noise-canceling technology scrubs out anything else that could get between you and a good audiobook. 耳麦处都配有软垫，能够阻挡外部噪音。先进的防噪音技术能够使您与音乐零距离接触。
- 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。
- The influence of external noise on the scaling law of Lyapunov exponents in type V intermittence is reported.The scaling law of Lyapunov exponents is found in absence of external noise. 讨论了外噪声对V型阵发李指数标度律的影响，找出了无噪声时V型阵发李指数的标度律。
- 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。
- In this paper,a psychophysical experiment was used to investigate the stochastic resonance phenomenon that external noises can enhance vibration sense. 本研究利用心理物理学实验来验证外加噪声可增强振动觉的随机共振现象。实验对象是人体手指光滑无毛处;
