本文将加速度传感器置于膝关节的相关部位拾取到膝关节运动时发出的一系列纵向声波。
Setting accelerator sensors on related positions of knee joint, we collect a series of longitudinal sound waves which knee joint sending out in motion.
本文对超声波纵向振动内圆磨削系统进行了系统的研究。
The ultrasonic vibration hole grinding system has been studied in this paper.
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