当基态运动为剪切流(或较差旋转)时，这一性质将使不稳定波自动演化到准稳阶段。
When the motion of the basic state is the shear flow (or the differential rotation), this property means that the unstable waves would evolve automatically into the quasi-stationary stage.
本文应用等值浅水模式，采用截断模方法，分析了急流的稳定性，并给出急流上不稳定波出现的条件。
In the text, we used equivalent shallow water model and truncated model method to analyse the stability of the jet, and pointed out the conditions of the appearing of instable wave.
奥坎波称，“这并不稳定，杠杆作用已经扭转，企业并购方面，资产平衡表上的数字没有带来更多乐趣”。
"That wasn't stable. Leverage has reversed and there's no more fun and games in numerically playing around with balance sheets on the merger and acquisition front," said Ocampo.
研究人员推测，在慢波睡眠状态，重新激活会加强记忆，并且不会导致不稳定。
The researchers speculate that reactivation during SWS reinforces the memory without labilization.
波立维通过不使血小板造成凝血而降低心脏病发作，不稳定心绞痛，脑卒中，和心血管疾病患者的心血管死亡的风险。
Plavix reduces the risk of heart attack, unstable angina, stroke, and cardiovascular death in patients with cardiovascular disease by making platelets less likely to form blood clots.
目前这波经济不稳定是由于许多国家的国债规模引起恐慌所造成。
The current wave of economic uncertainty is being caused by worries over the scale of many countries' national debt.
郎佩特的研究小组让病人进行一项练习，即讲述最近发生的一件令他们生气的事情，同时通过一种名叫“T波交替”的试验来测量病人心电的不稳定度。
Patients in the study took part in an exercise in which they recounted a recent angry episode while Lampert's team did a test called T-Wave Alternans that measures electrical instability in the heart.
发现对垂直入射的高功率的电子回旋波，在进入线性模转换层以前，参量不稳定性可以发生。
It is found that for the high power nearly perpendicular incident, electron cyclotron wave parametric processes may occur before it encounters the linear mode-conversion-layer.
动荷载是由于地震力、不稳定的风、冲击波，往复式机器所产生。
Dynamic loading is produced by seismic forces, non-steady wind, blast, reciprocating machinery.
应用有限单元法研究固体火箭发动机不稳定燃烧中的喷管阻尼，并用波衰减对比法进行了试验研究。
Finite element method is used in the study of nozzle damping of instable combustion in a solid rocket motor.
应用有限单元法研究固体火箭发动机不稳定燃烧中的喷管阻尼，并用波衰减对比法进行了试验研究。
Finite element method is used in the study of nozzle damping of instable combustion in a solid rocket motor. Wave decline method is used in the experimental research.
引入冗余照明的概念，以实现波带板的空间相干照明以及降低束线对光源不稳定性及元件振动的要求。
The concept of redundant illumination is introduced to ensure the coherent illumination of zone plate and reduce the effect of source instability and element vibration.
用连续波和调制脉冲波两种方法研究了由慢电子漂移引起的增长离子声波不稳定性。
The growing ion acoustic wave instability caused by the slow electron drift is studied by both CW and pulse modulated wave methods.
动荷载是由于地震力、不稳定的风、冲击波，往复式机器所产生。
Dynamic loading is produced by seismic forces, non - steady wind, blast, reciprocating machinery.
对于相同的初始扰动振幅，随着波数的增加，低频振荡周期缩短，三波逐渐变得不稳定，三波之间较强的相互作用时间缩短。
For the same initial amplitudes, the periods are becoming short, the three waves are gradually becoming instability, and the time of strong interaction is shorting with increasing of wave Numbers.
得到如下一些重要结论：1。不稳定区域密度波振荡为有限的持续振荡。
The following conclusions are obtained: 1. the density wave in an unstable area develops a finite continuous oscillation.
理论上预示了在热电子等离子体中，等离子体漂移波是最重要的低频不稳定性。
The theoretical analyses predict that the drift wave is the most dangerois low frequency instability in the hot electron plasma.
在自然循环水回路上进行了两相流密度波不稳定性的实验研究，得到了不同工况下的实时脉动曲线。
This paper describes the experimental study of two phase density wave oscillation in natural circulation loop. The oscillation curves under different conditions are obtained.
定常热强迫波总不稳定。
用单粒子理论分析了未被有质动力势阱捕获的电子对电磁波泵自由电子激光边带不稳定性的影响。
Influence of untrapped electrons on the sideband instability of electromagnetic Wig-gler free electron laser(EM-FEL)is analyzed in detail with single-particle theory.
急性冠状动脉综合征为冠心病常见和严重的表现，它包括不稳定性心绞痛、无Q波心肌梗塞与Q波心肌梗塞。
Acute coronary syn-drome is a serious manifestation of coronary artery disease. Traditionally it is classified as unstable angina, non Q wave and Q wave infarction.
二级近似时其解为孤立波形式——不稳定时，在地形不同位置可形成东移或西移的孤立波槽或孤立波脊；而在稳定时只形成孤立波槽。
Under second order approximation both troughs and ridges of unstable isolated waves are formed in different locations, and for stable isolated waves only troughs are formed.
最后对回旋波色散关系进行了数值计算，得到了不稳定性判据和引起不稳定性的最佳值。
Finally, the numerical results are given for the dispersion relation of cyclotron waves, the criterion for this instability and the optimum value for generating it has been obtained.
他和莱娅成为一次未遂暗杀行动的目标，而该行动的幕后主使就是萨尔—索洛。为此，汉不得不跟宿敌波巴·费特结成非常不稳定的同盟。
He and Leia became the targets of an assassination attempt funded by Sal-Solo, which pushed Han into an uneasy alliance with his old Nemesis Boba Fett.
特别是，当只考虑极向模耦合时稳定的漂移波，同时考虑环向场波纹度引起的环向模耦合时，变为不稳定。
In particular, it is found that the drift waves which are stable when only the poloidal mode coupling is considered may become unstable owing to the t...
在适当的条件下，重力波能触发交换不稳定性。
It is shown that the gravity waves can initiate the interchange instability under some conditions.
同时发现波包的幅值放大因子远小于最不稳定单色波。
The amplification factor of the maximum amplitude of the wave packet is much smaller than the most unstable normal mode.
同时发现波包的幅值放大因子远小于最不稳定单色波。
The amplification factor of the maximum amplitude of the wave packet is much smaller than the most unstable normal mode.
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