The noise of wavefront sensor is a major noise source in adaptive optics system.
在自适应光学系统中，波前探测器的噪声是主要误差源。
The aerodynamical noise of vacuum couch roll is the major noise source of paper machine.
真空伏辊空气动力性噪声是造纸机的主噪声源。
Engine noise is the major noise source of automobile; air power noise is one of composition parts of engine noise.
发动机噪声是汽车的主要噪声源，空气动力噪声是发动机噪声的组成部分之一。
So, it is important to study on the regularity of sound transmission in bus cavity and identify the major noise source and investigate the efficient corrective to control noise.
因此，研究客车车内声传递规律，识别主要噪声源，进一步研究有效的噪声控制措施具有重要意义。
As well as the noise, traffic, loss of arable land and threat to birds, airports are a major source of pollution and greenhouse gas emissions.
机场不仅导致了噪声、交通堵塞、耕地流失，威胁鸟类，还是主要的污染源和温室气体排放源。
Urban transport is a major source of greenhouse gas emissions and a cause of ill-health due to air and noise pollution.
城市交通是温室气体排放的一个主要来源，也是空气和噪音污染造成健康状况不佳的一个原因。
Noise from transportation is one major source of noise pollution.
交通噪音是噪音污染的主要来源。
In adaptive optics system, the noise of wavefront sensor is a major error source.
在自适应光学系统中，波前探测器的噪声是一个主要误差源。
Reducing noise of boilers is an important problem in environment protection. In this paper, the major source of boiler noise is analyzed and methods of governing noise are presented.
锅炉降噪是环境保护的一个重要研究课题。本文分析了锅炉噪声的主要来源，提出了治理锅炉噪声的方法。
In this paper, the major source of boiler noise is analyzed and methods of governing noise are presented.
本文分析了锅炉噪声的主要来源，提出了治理锅炉噪声的方法。
With the rapid development of China's automobile industry, the increasing of vehicle population, vehicle noise has become a major source of urban noise.
而随着我国汽车行业的迅猛发展，汽车保有量日益增加，车辆噪声已成为城市噪声的主要来源。
Strong noise pollution had been controled for noise source equipments including mainly 18 fans in Qingdao factory of traditional Chinese medicine, the major step is concentrated control of fan group.
对青岛中药厂以18台风机为主的噪声源设备造成的强噪声污染进行了综合治理，重点措施是风机机群的集中控制。
In the optical-fiber channel, amplified spontaneous emission (ASE) noise in the optical amplifier is the major source of noise.
在远程光纤信道中，放大器自发辐射(ase)噪声是主要噪声源。
In the optical-fiber channel, amplified spontaneous emission (ASE) noise in the optical amplifier is the major source of noise.
在远程光纤信道中，放大器自发辐射(ase)噪声是主要噪声源。
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