adj. steady ; stationary ; permanent
特定常规武器公约 Convention on Certain Conventional Weapons ; CCW
定常流 [流] steady flow ; [流] stationary flow
稳定常数 [化学] stability constant
定常运动 [物] steady motion ; [物] stationary motion
定常流动 steady flow
不稳定常数 [化学] instability constant ; unstable constant
变异的非定常性 Nonconstancy of variability
累积稳定常数 [无化] cumulative stability constant
定常裂纹扩展 [力] steady crack growth
定常状态 stationary state
The unsteady aerodynamics associated with flapping flight modes offlapping-wing MAV was studied using method of computational fluid dynamics(CFD).
用计算流体力学的数值模拟方法研究了微扑翼飞行器的扑翼飞行的非定常空气动力学问题。
参考来源 - 微型扑翼飞行器的仿生翼设计技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
涡动力学是研究非定常空气动力学的一个有力切入点。
Vorticity dynamics is a good break point when researching unsteady aerodynamics.
本文提出了利用卡尔曼滤波技术识别线性定常振动系统参数的方法。
This paper presents a new method for identifying parameters of linear time-invariant vibration system by the use of Kalman filtering technique.
由于理论研究和实际应用的需要，非定常空气动力学模型的研究变得尤为重要。
In need of theoretical research and practical application, the study of unsteady aerodynamics model has become particularly important.
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