1.
In this paper, the causes of noise para-normal in No4 air compressor station were analysed and eliminated. Good results have been achieved.
对空压站噪声超标的主要原因进行了分析，并进行了治理，取得了较好效果。
2.
This noise source can give a standard noise with an excess noise ratio up to & db. , the maxium possible error being ±0.2 db. .
表明这种噪声源可给出超额噪声比达8分贝的标准噪 声，误差不大于±0．23分贝。
3.
noiseless ultrasonic washer
无噪声超声波清洗器
4.
DBRN (Decibels above Reference Noise)
超过基准噪声的分贝数
5.
decibels above reference noise
超出参考噪声分贝数;超过基准噪声的分贝数
6.
The maximal limitation for noise outburst at night should not exceed15 db.
夜间突发的噪声，其最大值不准超过标准值15分贝。
7.
equal listener response scale
等听者响应标度 -声学中噪声标度
8.
Suppression of similar frequency noise in the design of ultrasonic flow-meter with TDC
TDC超声流量计设计中的同频噪声处理
9.
Acoustics--Noise labeling of machinery and equipment
GB/T14574-1993声学机器和设备的噪声标牌
10.
Article 16 Units that produce environmental noise pollution shall take measures to control it and pay fees for excessive emission of such pollution according to the regulations of the State.
第十六条 产生环境噪声污染的单位，应当采取措施进行治理，并按照国家规定缴纳超标准排污费。
11.
ultralow noise microwave cryoelectronic system
超低噪声微波低温电子学系统
12.
Study of Ultra Wide Band Low Noise Amplifier with CMOS Process;
超宽带CMOS低噪声放大器的研究
13.
Study on Ultrasonic Propagation Characteristics and Noise Reduction Methods in Rod;
杆中超声波传播特性及降噪方法研究
14.
A Research on RTS Noise in Ultra Deep Submicron MOS Devices;
超深亚微米MOS器件RTS噪声研究
15.
Noise analysis and reduction in the super-resolved images;
超分辨率重构图像的噪声分析与消除
16.
The Research on Phase Noise of the UHF RFID System
超高频射频识别系统相位噪声的研究
17.
Design of an Ultra-wideband LNA in 0.5～3.3GHz
0.5～3.3GHz超宽带低噪声放大器设计
18.
Design of a 3～10 GHz Ultra-Wideband Low Noise Amplifier Based on SiGe HBTs
3～10GHz SiGe HBTs超宽带低噪声放大器的设计