The position of the least square center for a cross section in the absolutecoordinatesystem is an important factor that affects cylindrical form errors.
截面最小二乘圆心在绝对坐标系内的位置是影响圆柱度形状误差大小的重要因素。
2
As to the conservation of motion of center of mass, the method of absolutecoordinatesystem is generally used in the teaching meterials of theoretic mechanics.
对于质心运动守恒问题,理论力学教材中一般用绝对坐标法进行计算。
3
The problem of altering the rotating coordinatesystem to absolutecoordinatesystem is often encountered when the frequency characteristics of unsteady vortex shedding in turbine engine is studied.