The ultrasonic motor driving fluid directly is a new type of non-contact ultrasonic motor. The rotor does not contact with the stator and is driven by fluid medium.
液体媒质超声波电机定、转子不直接接触，利用液体媒质驱动转子旋转，是超声波电机新的研究方向。
By the theory of continuum medium mechanics of non-Newton fluid, the characteristics of cement liquid and it's rules of spreading in soil are acquired.
本文在掌握大量有关文献资料的基础上，以非牛顿流体力学为基础，对水泥浆液的流变特性进行了研究，从而进一步认识其在土体中的运动规律。
These results show that the Hartmann wavefront sensor is not only used to measure the aero optical effects in turbulent medium, but also utilized to perform non intrusive studies of fluid flows.
这些初步测量和 分析结果表明通过哈特曼波前测量法既可研究光 束在湍 流场中引起的波前变化规律 ，同时还可以应用于湍 流场 流场参数的间接 分析。
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