燃烧不稳定不仅影响航空发动机的工作稳定性，而且还是造成燃烧室火焰筒薄壁结构声振耦合疲劳破坏的重要原因。
Combustion instability not only affects the stability of the aero-engine work, but also caused the combustion chamber flame tube thin-walled structure acoustic-vibration coupled fatigue.
通过数值模拟的方法讨论了声悬浮装置中几种对颗粒稳定性有影响的因素。
The stability of the particle in Acoustic levitation apparatus is discussed according to the results of the numerical simulation.
从自激振荡的稳定性入手，分别讨论了热声网络的周期时均和时变数学模型。
Based on the stability of self-oscillation of thermoacoustic engine. models of periodic average and time-varied are investigated respectively.
光声法检测痕迹气体浓度，是一种具有高选择性，高灵敏度，高稳定性的气体检测方法。
It's a high selectivity, high sensitivity, high stability way that use photo acoustic method to detect trace gas concentrations.
稳定的单泡声致发光的参数主要由振荡形状稳定性、质量扩散平衡、组分的化学平衡和高的能量集聚等条件确定。
The parameter space of a stable SBSL is mainly determined by stable shape oscillation, diffusive equilibrium of mass, chemical equilibrium of components, and high energy focusing in its interior.
电主轴采用髙速轴承技术，转速高、哚声低、功率大、响应快，动力性能以及稳定性足以满足高速加工的需求。
Our Electric spindle adopt High-speed bearing technology, With high Rotational speed, Low noise, large power, Fast response. Dynamic performance and stability. To meet the high speed work.
本文论述了测量分析燃烧噪声的目的和意义，它是进行燃烧室声疲劳研究及燃烧稳定性主动控制的基础。
The study on dynamic response of thin-wall structure excited by acoustic loads is the basis to evaluate and design the structure sonic fatigue.
二是保证系统的稳定性，以免在声反馈严重时引起啸叫。
When feedback is serious, the sound-amplifying systems even can not work.
二是保证系统的稳定性，以免在声反馈严重时引起啸叫。
When feedback is serious, the sound-amplifying systems even can not work.
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