前轮转向系统是一个齿条齿轮机械装置，该机械装置利用绿液压系统提供液压动力的单作动筒工作。
The Nose Wheel Steering system is a rack and pinion mechanism utilizing a single actuating cylinder supplied by the Green system.
通过对螺旋锥齿轮机械式铣齿机与CNC铣齿机之间加工调整参数转换原理的研究，推导了这两类机床运动轴数学模型；提出了求解各运动轴表达式系数的速度求导法。
By studying the transformation principle of the machining setting parameters from cradle style machine to CNC gear generator, mathematical kinematic models of every axis are deduced.
介绍了四杆机构、凸轮机构、齿轮机构等常用机械计算机动态模拟系统的设计思想、功能和特点。
The design philosophy, functions and characteristics of dynamic simulation system of common mechanism such as four bar linkage, CAM, gear are introduced and some key technical issues solved.
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