multiple-stage harmonic gear drive

例句：

1. 1. The newmachine has a multiple-stage harmonic gear drive that can reduce noise and vibration.
   这台新机器有一个多级谐波齿轮传动装置，可以降低噪音和振动。
2. 2. The company's latest model uses a multiple-stage harmonic gear drive to improve efficiency.
   该公司的最新型号使用了多级谐波齿轮传动装置来提高效率。
3. 3. The engineer designed the multiple-stage harmonic gear drive to meet the high-speed requirements of the project.
   这位工程师设计了多级谐波齿轮传动装置，以满足项目的高速要求。