In this paper, the polar coordinate error equations on side, direction and height in the circular control worknet are derived making good use of the circular character of circular worknet.
针对环形控制网的网形特点，推导了各类观测量：测边、测方向和测高的极坐标误差方程式。
Due to the shape character of rectangular bore containers, the equation for circular containers is no longer adaptable. Shrinkfitting pressure is usually calculated by FEM.
由于扁挤压筒的形状特点，厚壁圆筒的接触应力计算公式不再适用，通常采用有限元方法进行分析计算。
This paper describes the time-space dynamic character of circular polarised light by rotary vector and derives directly the instantaneous state rule of rotatory by the way of former.
本文用旋转矢量描述园偏振光的时空动态特征，并由此直接推导出旋光的瞬态规律。
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