利用上海市场的分笔交易数据考察中国市场上微观结构噪音的特征。
The characteristics of microstructure noise in Chinese stock market are investigated by using tick-by-tick data of Shanghai stock market.
从投资者资产配置的角度探讨了市场微观结构噪音条件下资产均衡价格波动率估计的重要性。
The importance for estimation of asset equilibrium price volatility considering market microstructure noise is analyzed from the perspective of asset allocation.
这些（噪音）可以是穿透教室建筑结构的室外活动声、教学活动的声音以及室内产生的其它各种声响，这些声音都会因为房间的回声效果而被放大。
These levels come from outside activities that penetrate the classroom structure, from teaching activities, and other noise generated inside, which can be exacerbated by room reverberation.
而另一半的元凶则是飞机自身的结构问题：颠簸不平的气流穿梭过往时同起落架、翼缝和襟翼等结构相遇制造了另一半噪音。
But the frame of the aircraft itself is to blame for the other half: the bumpy air flow over the undercarriage and the slots and flaps of the wings creates the rest of the racket.
通过更加符合空气动力学的形状和一个曲线尾巴的飞机结构，这些发动机将使飞行更有效率，同时会将绝大部分的噪音传向空气上方。
With a more aerodynamic shape and framed by a curved tail plane, these engines would make for a more streamlined aircraft, as well as directing most of their noise upward.
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.
研究表明食物链的结构、种群的迁入和迁出、环境噪音都会对种群的复杂性动态特征产生影响。
It has been proved that structure of food chain, immigration and emigration, environment noise can influence the pattern of complex population dynamics.
所有动力均采用同步带传动，结构简单，噪音低，运行平稳，振动小。
All synchronism belts driving are structure simple, noise lower, running steady and vibrate lower.
结构设计为全悬浮、高防震式，有效地提高了设备的稳定性，避震特强，平稳低噪音，延长使用寿命。
Structural design for entire aerosol, high quakeproof-like, enhanced equipments stability effectively, shocks proof extra-heavy, the steady low noise, the extension service life.
这一新的结构增加了路径长度，而且减少了背景噪音。
This newer configuration increases the path length and has been shown to reduce background noise.
该机种具有结构简单，经济方便，使用可靠，传输平稳，输送量大效率高，低噪音等优点。
It has a simple structure of the economy to facilitate the use of reliable, stable transmission and distribution of a large quantity of high efficiency, low noise and so on.
电热锅炉具有无噪音，无污染，技术先进，绿色环保，制造简单，结构紧凑及安全高效等特点。
Electric heating boilers enjoy the following merits: no noise, no pollution, advanced technology, simple fabrication, compact construction, safe and high efficiency operation, etc.
采用专用轨道和自动调节的双轮结构，推拉平稳轻快，无噪音。
It can be pushed and pulled smoothly without noise as it adopts special rail and automatic adjusting double-wheel structure.
并具有高效、节能、噪音低、性能稳、震动小、寿命长、温升幅度大、结构先进、使用维修方便等优点。
And has high efficiency, low noise, stable performance, small vibration, long life, temperature range of large, advanced structure, easy maintenance and so on.
摆线转子泵因其结构紧凑、运转平稳、噪音低等优点而被越来越广泛地应用于各个领域。
The cycloid rotor pumps are applied to many fields more and more widely with the advantages of compact structure, stable running and low noise.
该机结构简单，操作维修方便，噪音低，适合于织造厚重、高密品种的帆布、篷布织物及工业用布。
With simple structure, convenient operation and maintenance, and low noise, this loom is suitable for weaving heavy and high-density canvas, tent fabric and industrial fabric.
电磁振动送料器在工业自动化生产线上已得到了广泛的应用，但其存在噪音大、结构复杂等缺点。
Traditional vibration feeders are mainly driven by electromagnet, which has the deficiency such as large volume, heavy mass, complex structure and loud noise.
传动系统结构紧凑，传动零件寿命长，运转平稳，噪音小。
The driving system has compact structure with long life, smooth operation and low noise.
该机种具有结构简单，经济方便，使用可靠，传输平稳，输送量大效率高，低噪音等优点。
Machine types have a simple structure, economical, convenient, reliable, stable transmission and distribution of large, high efficiency, low noise and so on.
该机构是一种传动简单、结构紧凑、噪音小、增力比大且易于实现的驱动机构。
The simple transmission setup, compact structure, low noises and higher force increase ratio could be reached easily by the mechanism.
出气管道上安装逆止阀，并对其结构进行改造以减小噪音、增加寿命。
Installing single direction valve on exiting windpipe and reforming its structure construction proceeds to reduce noise and increment life of air-compressors.
本发明提供一种能够以简单的结构小型化，而且能够减小噪音的部件搬送装置。
The present invention provides a part conveyor device which can miniaturize with a simple structure and can reduce the noise.
结构紧凑，布局合理，性能稳定，噪音低。
Compact structure, reasonable layout, stable performance and low noise.
结构简单、重量轻、噪音低、工作可靠、给料能力大、安装维护方便。
Simple structure, light weight, low noise, reliable operation, the feeding capacity, convenient installation and maintenance.
布风器是空调通风系统末端装置，具有结构紧凑、外形美观、安装容易、噪音低、调节方便等优点。
The ventilation terminal is the terminal device of the air conditioning system, with the features of compact structure, pretty appearance, ease installation, ow noise, convenient for adjustment, etc.
得益于全新的结构设计，噪音方面可以控制在20db的超静音状态。
Benefited from the new structural design, noise can be controlled ultra-quiet at 20db status.
该机结构紧凑、噪音低，产量高、能耗低、操作简单、拆装方便、无任何环境污染，所得粉体细度均匀等优点。
This machinery structure compact, low noise, high output, low wastage, simple to operate, convenience to dismantle and install, without any environment pollute, the crush powder thin are excellence.
具有结构紧凑，体积小，重量轻，噪音低，振动小等优点。
Has a compact structure, small size, light weight, low noise, small vibration and so on.
平台化设计，结构紧凑，外观精美，操作简便，噪音低。
Platform shape, compact structure, attractive appearance, easy operation and low noise.
静音系列采用先进的吸声材料，优化内部结构，达到降低机组噪音的目的。
Mute the use of advanced series of sound-absorbing material, and optimize the internal structure, to achieve the purpose of reducing noise unit.
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