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- An aerodynamic noise is confirmed to be the strongest of the noise from VW 0.22/7 B air compressor. VW - 0 2 2 7-B型空压机的噪声源 ,其空气动力性噪声最强。
- Finally, the achievements of aerodynamic noise in turbomachinery is summarized and prospect is advised. 最后对叶轮机械气动噪声的研究现状进行了总结并对今后的研究工作进行了展望。
- Industrial-process control valves - Part 8-3: noise considerations - Control valves aerodynamic noise prediction method. 工业过程控制阀。第8部分:噪声问题。第3节:气动控制阀噪声预测法。
- An aerodynamic noise is confirmed to be the strongest one according to the test and analysis of the frequency spectrum of the noise from LGA fan. 通过对LGA风机噪声频谱的测试分析，确认其空气动力性噪声最强。
- Industrial-process control valves - Part 8-3 : noise considerations - Control valves aerodynamic noise prediction method. 工业过程控制阀.;第8部分:噪声问题
- The advances and current state of the aerodynamic noise in turbomachinery were reviewed in terms of generation mechanism, numerical prediction and control method, respectively. 摘要 分别从机理研究、数值预测和控制方法三方面对叶轮机械气动噪声研究进展和现状进行综述。
- Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory. 研究剪刀式尾桨气动噪声的混沌特性,并应用混沌理论进行了直升机尾桨气动噪声信号分析。
- The change of airflow convective accelerating factor to the effect of fan noise is analyzed &calculated according to the mechanism of aerodynamic noise generated in airflow field. 根据空气流场中空气动力性噪声的产生机理，分析并计算了离心式通风机叶轮中，气流相对加速度系数的变化对风机噪声的影响。
- There are electromagnetic, mechanical and aerodynamic noises chiefly. It is motor bearing noise that has most problems and is most difficult to solve. 电机噪声的主要类型有电磁噪声、机械噪声、空气动力噪声等,其中出现问题最多的、最不好解决的是机械噪声中的电机轴承噪声。
- vehicle exterior aerodynamic noise 车外气动噪声
- Modal Simulation of Axial Fan Blade and The Effect of That on Aerodynamic Noise 轴流通风机叶片模态仿真及其对气动噪声的影响
- Calculations about Interior Aerodynamic Noise for High-Speed Automobile by BEM 用边界元法计算高速车辆内部气流噪声
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
- A noise abatement notice is served on the club. 向俱乐部发停止大声喧哗的通知。
- The noise of traffic grows louder and louder. 交通的噪音变得愈来愈大。
- The noise struck terror into their hearts. 那声音使他们心里产生恐惧。
- He turned around as he heard a noise behind him. 他听到身后有响声，便转过身来。
