Low noise level because of special centrifugal impeller.
采用高效叶轮，噪音低。
Thermal stability is provided by a 3-stage fan with a very low noise level.
热稳定性是由3级风扇的噪音非常低的水平。
Extreme low noise level Smart Fan Control Circuit based on our Automatic Temperature sensor.
超低噪音水平智能风扇控制电路我们的自动温度传感器。
Low noise level, low oil consumption, wind cooling without water, reasonable steady performances.
噪音低、油耗少，全风冷不用水，结构合理，性能稳定。
Low noise level design, can be used in public places, do not affect the surrounding environment and normal activities.
低噪音级别设计，可在公共场合使用，不影响周边环境和人员正常活动。
Such a relatively low speed rotation of the motor shaft 26 and fan 28 permits the air purifier 10 to operate at a relatively low noise level.
马达轴26和风扇28的这种相对较低速度的旋转使得空气清洁器10在相对较低的噪声等级下运转。
These AR series pumps have been developed on the same design concept as A series pumps which are renowned for high efficiency and low noise level.
这些AR系列泵已制定了关于为A系列是高效率 ，低噪音水平 ，同样著名的泵的设计理念。
Features of this process have been demonstrated from the good characteristics and excellently even hardness of the sand mold, and low noise level detected.
以该法的砂型性能良好与砂型硬度高度均匀以及噪声测定水平，来显示此法的特色。
Hammering device speed rotation adjustable according to the quality requirement and material to be processed. Very low noise level thanks to soundproof material cabin.
可根据所需的质量和进行按摩的鞋材来调节按摩装置的旋转速度采用消声材料，在按摩过程中噪音非常小。
Dry running linear diaphragm pumps. Two means of actuation: linear and vibrating armature. Very high life time, low noise level and high efficiency. Used as compressors and vacuum pumps.
空运行线性隔膜泵。两种气动方法：线性和振动电枢。具有很高的使用寿命，低的噪音和高性能。可用作压缩机和真空泵。
According to a Cornell University study, even low-level noise in open-style offices can result in higher levels of stress and lower task motivation.
据康奈尔大学研究表明，在开放式的办公室中即使是非常低的噪音也使得员工们的工作压力变大，完成工作的动机降低。
Experiments and simulations show that the proposed system can operate in audio switch frequency range without audio noise from the motor load, meanwhile, EMI can be limited to low level.
实验与仿真结果表明：该系统采用音频开关而不导致电机负载的音频噪声，同时使EMI能被限制在低电平。
The noise level intensifies. The hollering of children deepens and distends into LOW EERIE HOWLS.
噪音加大，孩子们的叫喊声更为强烈，一直扩展到低沉、可怕的嚎叫。
Audio watermarking that modulates DC level shift according to watermark has wonderful low pass and noise resistance performance.
根据水印调整直流电平偏移的音频水印算法具有很好的低通和抗噪性能。
Even a low level of noise will interfere with my concentration.
哪怕很小的噪音也会干扰我的注意。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
结论作业人员长期在平均噪声强度低于卫生标准下工作，仍可有一定程度的心电图改变和听力损失。
At last, correction method of low level signal measurement is discussed duo to effect of spectrum analyzer floor noise.
最后，讨论了频谱仪本地噪声对低电平信号测量影响的修正方法。
The key to reduce the internal noise level is that we should estimate the acoustic field accurately and then go on low noise optimization design to body structure during the course of designing.
降低车辆内部的噪声的关键是在设计阶段要准确预估车内声场特性进而对车身结构进行低噪声优化设计。
Low resolution and low signal noise ratio are big obstacles in the way of increasing the accuracy and level of deep strata exploration.
深层地震反射资料分辨率、信噪比低是制约进一步提高深层勘探精度，加大深层勘探力度的重要因素。
The seat vibration level is important for evaluation of the machinery quality in the research and development(R&D) of the low noise machine.
机脚振动级是评价机械设备振动特性的一项重要指标，是低噪声机械设备研制和验收的重要检测项目。
The second part is to introduce the useful prompt to measure the low level signal noise and its disturbance even more accurately when there is rather high noise level in measure system.
第二部分介绍了当存在相对高的测量系统噪声（示波器噪声）电平时，如何进行更精确低电平信号噪声和干扰测量的有用提示。
Based on the theoretical description and analysis, the method is successfully applied to the development of a new model vehicle to meet the requirement of low level interior noise.
在阐述其基本原理及理论的基础上，实现了该方法在某货车驾驶室车内低噪声设计开发中的应用，并取得实际效果。
Using Schottky barrier diodes for D1 and D2 rather than common diodes reduces the low-level voltage on the bus, improving the noise margin.
使用肖特基二极管d1和D2，而不是普通二极管，为的是减少总线上低状态电压，改进噪声极限。
In a low light level wavefront sensor with image intensifier, the random noise of CCD output image is inhibited by delay correlation algorithm.
在带像增强器的微光波前传感器中，采用延时相关算法抑制CCD输出图像的随机噪声。
Keithley's low Level Measurements Handbook provides more information about using coaxial and triaxial cables and connectors, including low noise cables, and cable and connector assembly.
Keithley的《低电平测量手册》提供了关于使用同轴电缆和同轴三芯电缆的更多信息，包括低噪声电缆，以及电缆和连接器成套件。
The results of experiments show that this system can suppress the noisy speech effectively on time with a low level of musical noise even at a low SNR.
实验结果表明，该系统能有效消除背景噪声，抑制“音乐噪声”，在较低信噪比下也能获得很好的增强效果，同时该系统能够实现实时语音增强。
Only the frequency of the input signal locates in the low frequency region, can the signal be selected by a proper noise level to produce SR phenomenon.
输入信号的频率只有位于噪声能量集中的低频区域，才有可能使输入信号被适量的噪声选择而产生随机共振现象。
Booster compressor noise has the characteristics of wide frequency band, intense low frequency sound and considerably high total sound pressure level.
增压机噪声具有频带宽、低频声强烈，且总声级又相当高的特性。
The measures to disturbing the current by means of winding on the conductor surface or application of low-noise conductor can reduce the level of wind noise and corona noise.
在导线表面采取缠绕扰流线措施或直接使用低噪声导线，能够降低导线风噪声和电晕噪声水平。
A major cause of errors in speech recognition is the inaccurate detection of word bound-ary. Conventional methods can not work well in the condition of low SNR and variable background noise level.
词边界检测误差是语音识别中产生错误的主要原因之一，常规的检测算法在低信噪比尤其在背景噪声能量可变的环境下不能有效工作。
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