Calculation of Pressure Angle and Minimun Average Cylinder Radius of Cylindrical Cam Mechanisms with Oscillating Roller Follower by Using Instantaneous-center Method
用瞬心法求滚子摆动从动件圆柱凸轮机构压力角和最小平均圆柱半径
Quantity of angular motion in the sagittal and coronal planes is likely to provide protection against adjacent-segment disease. Also important is the quality of motion, including radius of curvature, shear properties, and location of the instantaneous axis of rotation.
在矢状面和冠状面的角活动度的测量可能提供阻止临近节段疾病的方案，通用重要的是活动度的质量，包括曲率半径，剪切力的性质，转动瞬轴的位置。
The effects of curvature radius (pipe diameter) and laser beam diameter on the initial instantaneous absorptivity of laser cutting for 304 stainless steel pipe and plate were investigated theoretically.
从理论上研究了曲率半径（管径）和激光光斑直径对304不锈钢管材和板材激光切割时开始瞬间吸收率的影响。