We numerically studied the microbunch instability driven by Coherent synchrotron radiation (CSR) in a magnet bunch compressor.
用数值方法研究了相干同步辐射(CSR)引发的微束团不稳定性。
We studied the microbunch instability in wigglers induced by coherent synchrotron radiation (CSR) theoretically and numerically for the first time.
用理论和数值的方法,首次研究了扭摆器中相干同步辐射效应诱发的微束团不稳定性。
Investigated was the aerodynamic instability problem of an axial-flow compressor during throttling tests.
研究了某轴流式压气机节流试验中的气动不稳定问题。
We expect to pass through some slight turbulence
我们预计将经过一段轻微不稳定气流，
The dependence of crops on the weather makes farming very uncertain.
仰赖天气的收成，使农业非常不稳定。
unstable flow of a liquid or gas.
液体或气体的不稳定的流动。
Lattice -Gas Simulation of Kelvin -Hemholtz Unsteady Flow
Kelvin－Hemholtz不稳定流动的格子气仿真
violent or uneven movement of air or water
猛烈的或不稳定的气流或水流
Air leakage to the float bowl could result in imbalance of the carburetor.
空气漏入浮子室中，会使化油器不稳定。
The air conditions are uncertain.Please fasten your seat belts.
天气状况不稳定，请系牢您的安全带。
Flame instability analysis of diethyl ether-air premixed mixtures at elevated pressures
二乙醚-空气预混火焰的不稳定性分析
Liquid drains from the upper surface of the bubble and it soon becomes unstable.
液体从气泡表面排出，气泡很快变得不稳定。
The heavy rain might settle the changeable weather.
这场大雨也许能使变幻不定的天气稳定下来。
Thus becalmed, the clouds are more susceptible to wave instabilities.
所以，这些云气较易受重力不稳定性的影响。
The mountainous Tibetan terrain is hazardous and the weather uncertain.
群山连绵的西藏地区危险且气候不稳定。
We experienced some slight turbulence flying over the Atlantic.
我们飞越大西洋时, 遇到一点不稳定的气流.
The quiet, balanced decisions don't make news.
那些心平气和的、稳妥的决定都成不了新闻。
Owing to the uncertainty of the weather, outdoor cafes are not a feature of English life.
由于天气的不稳定性，露天餐馆并非英国特色。
Aerodynamic (passive) instability is a disadvantage for manned vehicles.
气动力（被动）稳定对于载人飞行器是不利的。
The unsteady air is the most dangerous source of disturbance for astronomical photography.
不稳定的空气便是天文照相最危险的干扰源。
The Numerical Simulation of Interfacial Instability for Gas-assisted Co-extrusion Molding;
气辅共挤成型界面不稳定的数值模拟研究