unsteady

adj.

1. 站不稳的；摇晃的
   not completely in control of your movements so that you might fall
   1. She is still a little unsteady on her feet after the operation.
      手术以后她还有点站不稳。
2. 颤抖的；抖动的
   shaking or moving in a way that is not controlled
   1. an unsteady hand
      颤抖的手

1. ADJ-GRADED 脚步不稳的；身体摇晃的
   If you are unsteady, you have difficulty doing something, for example walking, because you cannot completely control your legs or your body.
   1. The boy was very unsteady and had staggered around when he got up...
      男孩站立不稳，并且起身后四下走动时步子踉跄。
   2. He poured coffee into the mugs, and with an unsteady hand, held one of them out to David.
      他把咖啡倒进杯里，然后一只手颤巍巍地端了一杯给戴维。
2. ADJ-GRADED 不稳定的；不可靠的；无法捉摸的；变幻无常的
   If you describe something as unsteady, you mean that it is not regular or stable, but unreliable or unpredictable.
   1. His voice was unsteady and only just audible...
      他的声音发颤，而且小得只刚刚能听见。
   2. She knew first-hand the impact an unsteady parent could have on a sensitive young girl.
      她有亲身体验，知道情绪变化无常的家长对一个敏感的小女孩会产生什么影响。
3. ADJ-GRADED 不牢固的；不稳固的；不结实的
   Unsteady objects are not held, fixed, or balanced securely.
   1. ...a slightly unsteady item of furniture.
      一件稍微有些不结实的家具

1. They were unsteady on their feet and rather uncoordinated.
   他们站立不稳，协调性较差。
2. The boy was very unsteady and had staggered around when he got up
   男孩站立不稳，并且起身后四下走动时步子踉跄。
3. He poured coffee into the mugs, and with an unsteady hand, held one of them out to David.
   他把咖啡倒进杯里，然后一只手颤巍巍地端了一杯给戴维。
4. His voice was unsteady and only just audible
   他的声音发颤，而且小得只刚刚能听见。
5. She knew first-hand the impact an unsteady parent could have on a sensitive young girl.
   她有亲身体验，知道情绪变化无常的家长对一个敏感的小女孩会产生什么影响。
6. As the front foot slipped; the rear foot became unsteady.
   前脚一滑，后脚也站不稳。
7. A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed.
   一种特殊类型的、和线性弹性理论中的平面波解有点相像的非稳态运动可以建立起来。
8. Come down quickly, the ladder is unsteady!
   梯子不牢，快下来！
9. On reaching the fresh air he was sufficiently unsteady.
   他出来叫凉风一吹，可就有些东倒西歪了。
10. With Time-Accurate simulation about one transonic fan stage unsteady flow, some sketches related to unsteady flow are understood.
    文章通过对一跨音风扇级非定常流场时间精确模拟，对叶轮机非定常流动建立了一定理解。
11. A numerical method is developed to simulate the unsteady flows involving moving boundaries.
    发展了可用于模拟包含运动边界的非定常流动的数值方法。
12. Airflow temperature; Thermal conductivity; Unsteady heat transfer coefficient; Wall rock heat transfer;
    风流温度；导热系数；不稳定传热系数；围岩传热；
13. When is a Flow Compressible [ For Both Steady and Unsteady Flow]?
    高比压环流器等离子体位形的稳定性什么时候流动是可压缩的[对定常和非定常流来说]？
14. Research on Three Dimensional Viscous Unsteady Flow and Excitation Force of Turbine Stage
    透平级三维粘性非定常流动和气流激振力的研究
15. Steady and unsteady heat transfer of bottom electrode were simulated by FLUENT on the basis of2D heat transfer model.
    采用Fluent软件和文献建立的二维传热模型，对底电极稳态和非稳态的传热过程进行了数值模拟。
16. The problem of rotor-bearing with nonlinear stiffness under an unsteady oil-film force was studied when rub-impact happened.
    研究了在非稳态油膜力作用下非线性刚度转子系统发生碰摩时的振动问题。
17. While in calculation of unsteady state problems, the transient terms are always knotty problems to deal with.
    但是在求解非稳态流体流动问题时，对非稳态项的处理一直是个棘手问题。
18. The one dimensional model is employed to simulate the daily regulating unsteady flows below Shuikou reservoir.
    用一维不稳定流数学模型模拟枯水期水口电站下游日调节不稳定流。
19. Formulations of the lift and the thrust are derived based on the three-dimensional unsteady vortex lattice method, and the effect on instantaneous shape velocity is analyzed.
    推导了新的基于空间非定常涡格法的扑翼飞行器升力和推力的计算公式，然后分析了瞬时形状速度对它们的影响。
20. By using inverse method, the analytical solutions of couple stress fluids were obtained for steady and unsteady cases.
    本文采用逆方法研究并获得了应力偶流体的定常和非定常精确解。
21. The quality of being unsteady& varying and irregular.
    不稳定、容易变化和不规则的属性。
22. The time-average of the unsteady flow-field obtained in the computation is discussed.
    本文论述了计算所得的非稳态流场的时均值。
23. State space modeling of unsteady aerodynamics for aircraft at high angle of attack is analyzed here.
    对建立纵向大迎角非定常气动力模型的状态空间法进行了分析。
24. A mathematic model has been built for the unsteady heat transfer from the kettle to the oil inside.
    为此建立了高温超高压釜体到釜腔内液压油的非稳态传热模型。
25. Unsteady testing for oil and gas well includes testing of drawdown curve and build-up curve.
    油井和气井的压力不稳定测试，包括压降曲线测试和压力恢复测试。
26. This paper presents a ALGOL program for Calculating The lift distribution on wings with control surface in steady and unsteady subsonic flow.
    本文提供了计算亚音速偏转操纵面机翼的定常和非定常升力分布的算法语言程序。
27. Flapping and rotary gap have been investigated with the help of transonic unsteady aerodynamic forces.
    使用跨音速非定常空气动力，对扑动间隙和旋转间隙进行研究。
28. A numerical investigation is carried out for the phase change in the unsteady expansion of humid gases.
    采用数值方法对激波管非定常膨胀过程中，汽液相变与流场的相互作用进行了模拟。
29. Conduction: steady and unsteady heat conduction, planar wall, radial system, fin, lumped-heat capacity method.
    热传导：稳态与暂态热传导，平面壁，径向系统，散热片，总容量法。
30. A time-accurate three-dimensional Navier-Stokes solver of the unsteady flow field in a transonic fan was carried out.
    采用全流道非定常数值模拟方法对进口稳态总压畸变条件下跨声速风扇流场进行求解。

adj

1. not firmly or solidly positioned
   1. climbing carefully up the unsteady ladder
   2. an unfirm stance

   Synonym:    unfirm

2. subject to change or variation
   1. her unsteady walk
   2. his hand was unsteady as he poured the wine
   3. an unsteady voice