The principle of the ultrasonic elliptic vibration produced by polishing tool is introduced and elliptic motion 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。
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。
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.
结合直线电机的微量往复进给运动和电主轴的高速性能，实现了对椭圆零件的高速精密加工。
Using this method, the motion after loss of stability of an elliptic bearing rigid rotor system isc…
并以椭圆滑动轴承—刚性转子系统为例 ，对系统失稳后的运动状态进行了计算和分析。
Time-base method of PMAC and linear motor's micro-feed motion and electrical spindle unit's high-speed performance were used to accomplish high-speed grinding manufacture of elliptic parts.
研究PMAC的时间基数控制法 ，结合直线电机的微量往复进给运动和电主轴单元的高速性能 ，来实现非圆工件的磨削加工。
Time-base method of PMAC and linear motor's micro-feed motion and electrical spindle unit's high-speed performance were used to accomplish high-speed grinding manufacture of elliptic parts.
研究PMAC的时间基数控制法 ，结合直线电机的微量往复进给运动和电主轴单元的高速性能 ，来实现非圆工件的磨削加工。
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