The principle of the ultrasonic elliptic vibration produced by polishing tool is introduced and ellipticmotion characteristics of the polishing tool are tested.
介绍了抛光工具超声椭圆振动产生的基本原理，并实际测试了抛光工具的椭圆运动特性。
2
This paper presents some equations of adjoint motion for spacecrafts moving in elliptic orbit of different plane.
本文给出在非共面椭圆轨道上运行的航天器的伴随运动方程。
3
This system could precisely machine elliptic parts with high speed by the micro-reciprocating feed motion of linear motor and the high speed performance of electrical spindle.