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Firstly , method of generating sinusoidal pressure is researched .

论文首先研究了如何产生气体正弦压力的问题。

External recycle ; concentric circular-tube ; sinusoidal wall fluxes ; conjugated graetz problem .

回流;圆管;正弦管壁通量;共轭格拉兹问题。

A integrated suit of sinusoidal pressure calibration system war built at the finishing of research .

论文研究工作最终形成了一套完整的正弦压力校准系统。

Secondly , how to measure sinusoidal pressure using laser interference technology is researched in this paper .

其次研究如何利用激光干涉技术对正弦压力进行测量的问题。

Studies the chaotic dynamics of a parametrically modulated duffing system with two sinusoidal excitations .

研究了具有双正弦双激励的参数调制杜芬系统的混沌动力学行为。