internal rotation

The main idea of virtual rotation is to rotate the hollow structures with the centerline as the axis to rotate the internal angle part to the external angle.

虚拟旋转的基本思想是利用计算机将将空腔结构以其中心路径为轴进行非刚性旋转，从而将内角部位的图像转到外角。

At first, the effects of segment thickness of shield tunnelling on the lining behavior, such ac internal force, deformation and radial joint rotation etc.

讨论了盾构法隧道管片厚度大小对其本身内力变形以及接头转角等受力性能的影响；

Equilibrium analysis on crankshaft's rotation inertia force of internal combustion engines

内燃机旋转惯性力的平衡分析

Internal rotation is accompanied by scapular retraction and associated clavicular movements.

内旋转会伴有肩胛骨回缩及相关的锁骨运动.

Earth rotation and keep the revolution, while the crust is constantly changing internal.

地球在不停地自转和公转, 同时地壳内部也在不停地变化.