The approach is to solve the Euler equations in a rotor fixed frame of reference using a finite volume method.

采用有限体积法在桨叶固接坐标系直接求解三维欧拉方程。

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The dynamic model for a novel permanent magnet spherical stepper motor based on Cardan Angle rotation in rotor-fixed coordinates frame was set up.

针对一种新型永磁球形步进电机，运用卡尔丹角旋转建立了转子固连坐标系下转子动力学模型。

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With a global sales and support presence, its products are offered by virtually every fixed- and rotor-wing airframe manufacturer in business aviation, and are installed aboard the world's four largest fractional ownership fleets.

ENGADGET: NetJets begins Aircell in-flight WiFi installations, won't stop anytime soon