“ultrasonic motor”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic motor
释义	ultrasonic motor Encyclopedia 工学特种电机释 ultrasonic motor超声波电机借助摩擦传递弹性超声振动以获得动力的驱动机构。
随便看	closed motor skill closed n-ball closed n-disk closed neighborhood closed neighbourhood closedness closedness of dictionary closed normal form closed n-sphere closed object closed oil gathering process closed-open set closed operator closed orbit closed orthogonal sequence closed orthogonal system closed orthonormal system closed path closed path Green's function closed path; loop closed path space closed pipe closed plane closed pneumothorax closed point

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