The cycle sum of the rotation group of the octahedron was calculated.
八面体的旋转群的循环和已算出。
An exact solution for the nonlinear birefringent medium model is obtained by using SO(3) rotation group property.
本文利用SO（3）旋转群性质得到了非线性双折射介质模型的一个严格解。
A concept of kernel matrix of quaternion is proposed, which is based on rotation group algebra and with spacecraft attitude control as its background.
基于旋转群代数，以航天器姿态控制研究为背景，提出了四元数的核心矩阵的概念。
Upon this frame, use matrix Lie group to express the rotation space, then base on Bayesian estimation framework, calculate the minimum mean squared error bounds which use the matrix Lie groups.
在这种框架中，利用李群来表示旋转空间，然后基于贝叶斯估计结构，计算了利用李群的表示的最小均方误差估计性能界限。
Rotation angle symbol method to identify circuit and branch of spherical four bar is presented in this paper. Finally, the method about application to spatial first group mechanism is elaborated.
最后由空间第一类机构与球面四杆机构的等效性，阐述了将此识别方法应用于第一组空间机构的方法。
In the blank control group, no rotation was observed, and there was no abnormality of pathological observation.
空白对照组无旋转现象，病理学观察无异常现象。
In this thesis, the axis rotation symmetry of third-order nonlinear elasticity was researched with the help of group theoretical methods.
本文用群论的方法研究了三阶非线性弹性的轴转动对称性。
Methods the observation group patients used rotation card, the control group patients did not use the rotation card, compared the incidence of adverse reaction at injection site.
方法观察组患者使用记录卡，对照组患者不使用记录卡，比较注射部位不良反应的发生率。
After the 5 week program, the exercise group significantly increased their eccentric external rotation total work compared to the control group.
经过五周后，练习组相对于控制组明显改变了他们的离心外部旋转。
Teaching in each age bracket is done by a group of teachers that have a scheduled rotation.
按儿童年龄段的不同分成不同的小组，老师们按日程表来轮换教导他们。
The mill comprises roll changing hydrocylinder (1), with rolling mill group (3), roll changer (2), post (4), worm wheel lifting gear (5), U-shaped frame (7), rotation ear (8) and bolt (9).
其特征在于本轧机包括换辊液 压缸（1）、换辊小车（2）、轧钢机辊组（3）、立柱（4）、蜗轮升降机构（5）、U型架（7）、转动转耳（8）、连接螺栓（9）；
Under the circumstances that do not have the aid of group theory, we give three direct ways to calculate the rotation matrix.
在不借助群论的条件下，给出了转动矩阵的三种直接计算方法。
In 1992 when it became the Champions League the group stages made it more difficult - and a little later caused the squad rotation system, where more players are needed.
1992年出现了冠军联赛，小组赛让比赛变得更难。之后出现了轮换体系。这就需要更多球员。
The use of group head rotation mechanism, node with more energy reserves and the optimal location forward packets to other nodes, node with less energy reserves is responsible for data acquisition.
采用组头轮换机制，使能量储备较多和位置最优的节点担任组播节点承担转发任务，能量储备较少的节点负责数据采集任务。
Test the stability of the models of the control group and the groups with and without bone graft in axial compression, lateral bending, flexion-extension and rotation.
测试模型对照组、植骨组和非植骨组在垂直压缩、侧弯、屈伸和旋转方向上的力学稳定性。
The mechanism which can reverse by the rail of the wagon group is adopted, the rotation mechanism is cancelled, and no fragile control piece is realized in irradiation room and other bad environment.
采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。
The mechanism which can reverse by the rail of the wagon group is adopted, the rotation mechanism is cancelled, and no fragile control piece is realized in irradiation room and other bad environment.
采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。
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