The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
Contrast and analyze single lumped mass and two lumped mass, conclude main factors which affect valve system.
对比分析了单质量模型和二质量模型，归纳了影响配气系统的主要因素。
The effects of the propulsion system on the dry mass of the single stage to orbit vehicle are analyzed, the propulsion system being made up of these engines.
当单级入轨运载器主推进系统由这些发动机组成时，计算和分析了推进系统的组成方式对运载器干质量的影响。
In the paper, a theoretical analysis is given for the ordinary helium mass spectrometer method used to detect the "single seal" leakage rate of each two seals in a serial two-seal pneumatic system.
从理论上讨论了用常规氦质谱仪检漏方法测定两密封件串联密封的气路系统各密封件“单密封”泄漏率的问题。
The control object in a single-freedom silicon micromachined vibratory gyroscope is the proof mass, because of system structure, feedback control is the only choice to control the proof mass.
以单自由度硅微振动轮式陀螺仪的检测动极板为控制对象，系统的结构特性决定了只能选择反馈控制方式对其进行控制。
A stellar system consisting of two stars orbiting about a common center of mASs and often appearing AS a single visual or telescopic object.
由两颗围绕一个共同的中心运行的星组成的星系，经常可用肉眼观看或用望远镜可观察到。
In this paper, the equations of motion are derived for a single-degree-of-freedom system with a tuned mass damper (TMD).
质量阻尼器作为一种有效并且可靠的振动控制设备，得到了深入的研究和应用。
In this paper, the equations of motion are derived for a single-degree-of-freedom system with a tuned mass damper (TMD).
质量阻尼器作为一种有效并且可靠的振动控制设备，得到了深入的研究和应用。
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