他们保持我们的空气清洁，减少噪音污染，改善水质，提供食品和建筑材料。
They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials.
他们受困于噪音和干扰，且悲观地认为情况不会得到改善。
They are plagued by noise and interruption, and pessimistic that the situation will ever be improved.
每天对这些实验灵敏度的改善经常会产生附加的噪音。
"The daily business of improving the sensitivity of these experiments always throws up some excess noise," says Danzmann.
捷豹也是第一个厂家的特色与集成侧密封阀盖衬里的噪音水平进一步改善这个小屋。
Jaguar was also the first manufacturer to feature a bonnet liner with integrated side seals which further improves noise levels in the cabin.
改善发电机结构，提高加工精度，从设计上减少发电机所产生的电磁及风扇噪音。
Reform the structure of generator set, enhance machining accuracy, reduce noise made by electromagnetism and fans from design.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量，减少噪音、振动，避免气蚀等方面有较大改善。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
利用性能良好的隔振系统的作用避免来自发动机的振动和噪音传到车身是改善汽车的乘用舒适性的有效措施。
It is an effective measure of improving the riding comfort to use a vibration isolating system with good performance to separate vibration and noise coming from the engine from the auto body.
丰富城区园林绿化的空间结构层次和城市立体景观艺术效果，有助于进一步增加城市绿量，减少热岛效应，洗尘、减少噪音和有害气体，营造和改善城区生态环境。
Enriching landscape structure and vertical artistic helps to increase green quantity, decrease heat island effect, deduce noise and noxious gas. The urban ecological environment has been improved.
手动开关速度满足您当前需要最好能改善电池负荷笔记本电脑或避免噪音问题与冷却风扇和供电单位在桌上型电脑。
Switching manually to a speed which meets your current needs best can improve battery load on portable computers, or avoid noise problems with cooling fans and power supply units on desktop computers.
深源是一个强大的浓度助手改善与舒缓听觉的风景和产生噪音匹配可变程序化的重点，生产力和面具分心。
DeepFocus is a powerful concentration aide to improve focus, productivity and mask distractions with soothing aural landscapes and matched variable programatic noise generation.
然后，我们会看看设计，看看我们需要做什么来改善噪音水平，如果有必要。
We'll then look at the design to see what we need to do to improve noise levels, if necessary.
从改善新吉普车利益的空气动力学、减少噪音和一个更宽阔的内部。
The new Jeep benefits from improved aerodynamics, reduced noise levels and a more spacious interior.
尤其对中低频和各种振动噪声均有良好的吸收效果，十分有利于减少噪音污染，改善工作环境。
Rock wool has good absorption function for medium and low frequency noise and various types of vibration noise. This will be very favorable for reducing noise and improving work environment.
根据涡流场计算结果并结合振动噪音分析，提出了改善母线桥工作噪音的措施，并对各项措施进行了数值模拟和实验研究。
After that, the improvement methods are proposed to reduce the noise, and the numerical simulations and experiments are performed to study every improvement method.
它不仅混响声音雄浑、清晰流畅，而且特有的谐波激励功能，能明显改善噪音的频域，使人的声音更加完美，演唱起来更加轻松。
With forceful, clear, and smooth reverberated sound as well as special harmonic excitation functions, the noise frequency domain is obviously reduced, thus playing vocal perfectly and easy.
本发明可以改善组装性能，防止产生噪音，增强刚性。
The present invention has improved assembling performance to avoid noise and strengthen rigidity.
减低传动噪音，动平衡性能改善，滑动节使用寿命提高；提高涂层抗压强度。
Its advantages are low torsion resistance and drive noise, improved dynamic balance, high compression strength and long service life.
在试验分析的基础上，提出了一些改善其振动和噪音性能的措施。
Several measures of reducing vibration and noise have been put forward according to the experimental analysis.
无需空气压缩机配套，生产成本降低，无较大噪音，工作环境得到改善。
The gold plate embroidering and lifting mechanism needs not an air compressor to be matched, which lowers production cost, has no bigger noise, and improves the working environment.
齿轮相互啮合的情况改善而令到其耐用性、齿轮噪音和引擎力量传送得到改善。
Gear mesh is improved resulting in improved durability, less gear noise, and improved engine power transfer.
本机具有美观新颖的外观，并且改善了整机应力分布，在高速缝纫状态下，震动小，噪音低、可实现高效率的作业。
Better disposition of stress on the machine of the nice shape to make performance of work highly efficient at high-speed sewing with little vibration and in low noise.
本机具有美观新颖的外观，并且改善了整机应力分布，在高速缝纫状态下，震动小，噪音低、可实现高效率的作业。
Better disposition of stress on the machine of the nice shape to make performance of work highly efficient at high-speed sewing with little vibration and in low noise.
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