Several important problems related to the multi-axial fatigue have been studied.
介绍多轴疲劳研究的几个主要问题。
The reinforcing fibrous sheet materials (31) have been superposed so that their reinforcing directions are multi-axial.
另外，以增强方向分别成为多轴的方式层叠增强纤维片材（31）。
This paper introduces the principle and design method of cross-coupled contouring control of multi-axial CNC machine tools.
介绍了CNC机床耦合轮廓误差补偿方法的原理及设计方法。
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