Using elastic wrench moment axle in the hollow axle of motor is a good way of setting elastic buffer device of transmission system.
在截割电机空心轴内使用弹性扭矩轴是设置传动系统弹性缓冲的好办法。
2
The transmission characteristic of hollow duct was described by using a ray-tracing method and compared with the lens duct.
用光线追迹方法描述了空心导管的传输特性，并与透镜导管做了比较。
3
The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.