下面的讨论中假定轮齿加工没有误差，轮齿表面完全光滑，轮齿为绝对刚体。
The following discussion assumes the teeth to be perfectly formed, perfectly smooth, and absolutely rigid.
配气凸轮传统的设计方法是把配气机构看成绝对刚体，不考虑它在运动时的弹性变形，这种设计也称为静态设计。
Valve gear is regarded as stiffness in the traditional design and its elastic deformation in motion is neglected. This method is called static design.
目前，多刚体系统的建模方法可归纳为绝对坐标法和相对坐标法两类。
At present, the modeling methods of multi-rigid-body system can be concluded to two kinds: Absolute coordinate method and relative coordinate method.
并由刚体平面运动方程，推导出混凝土护坡板的绝对稳定和准稳定条件关系式，以确定护坡板的尺寸。
The formulas are derived for the conditions of concrete blocks absolute-stability and quasi-stability according to the equations of stiff-body motion on plane.
并由刚体平面运动方程，推导出混凝土护坡板的绝对稳定和准稳定条件关系式，以确定护坡板的尺寸。
The formulas are derived for the conditions of concrete blocks absolute-stability and quasi-stability according to the equations of stiff-body motion on plane.
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