八面体的旋转群的循环和已算出。
The cycle sum of the rotation group of the octahedron was calculated.
提出一种柏拉图立体旋转群群元新的分类方法;
A new classification method of group elements in a rotational group of Platonic solids is given.
通过抽象代数知识,求出所有正多面体的旋转群。
Using the knowledge of abstract algebra, the rotation groups of the regular polyhedron are determined.
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。
A concept of kernel matrix of quaternion is proposed, which is based on rotation group algebra and with spacecraft attitude control as its background.
几秒钟之内,在四周人群的一片尖叫声中,她将会以让轮胎冒烟的速度,表演"面包圈"旋转,以及手刹过弯。
In a few seconds she will be screeching around vicious corners at speeds that send up smoke from the tires, performing “doughnut” spins and hand-brake turns.
我们看起来就像一群骑在旋转木马上的笨拙的孩子。
We looked like a bunch of awkward kids riding a slow-moving carousel.
手臂和肩膀的旋转伸展动作帮助肩部及其联接躯干的肌肉群充分热身。游泳时将连续不停的运用这些肌肉。
The arm and shoulder rotation stretch warms up the muscle that surrounds the shoulder jointed the body. These muscles are used continuously during swimming.
她会见了一群正在练习旋转和跳跃的年轻姑娘们,但是她们却没有系好自己的冰鞋鞋带。
She met with a group of young girls practicing their spins and jumps but wouldn't lace up skates.
建立了描述冲击式旋转机械中穴泡群特性的数学模型。
The mathematical model of cavitation cluster in the rotor impulse apparatus is developed.
第二,这还是个对抗旋转的练习。即正确完成这一练习需要更多的调动核心肌群以及更高的稳定性。
Second, it also serves as an anti-rotation exercise, meaning that greater core recruitment and stability are required to perform the exercise correctly.
本文研究一类带动、静平衡及不干涉性等动静态性能约束的旋转舱长方体群的装填布局优化问题;
The optimal layout problem of cube group in a rotating module with constrains of dynamic behavior, such as dynamic and static equilibrium, stabiliy ect.
提出椭圆旋转对称群,它是一个单参数阿贝尔群。
The ellipse rotating symmetric group is proposed, which is an Abelian group.
一天夜晚,斯蒂芬在一群人的陪伴下来到一家芝家哥迪斯科舞厅,在那儿他坐在轮椅上加入到庆祝活动的行列,在跳舞圈子中间他旋转着轮椅。
One night Stephen accompanied a group to a Chicago discotheque, where he joined in the festivities by wheeling onto the dance floor and spinning his chair in circles.
玻璃门旋转打开,纳德拉大步迈入,一群高级助手尾随其后。
Glass doors swing open and in strides Nadella, a clutch of senior staffers in his wake.
加拿大名将陈伟群在歌剧魅影的伴奏下在冰上旋转,最终连续第二年屈居亚军,法国选手茹贝尔则因摔倒仅摘得铜牌。
Canada's Patrick Chan, gyrating to the music from Phantom of the Opera, finished second overall for the second straight year with France's Brian Joubert taking bronze after a tumble.
结论躯干旋转时核心肌群肌力的增强,对于改善慢性非特异性腰痛患者的局部稳定性有重要意义。
ConclusionIncreasing the rotary strength of trunks is important to improve local stability in patients with chronic nonspecific low back pain.
结论躯干旋转时核心肌群肌力的增强,对于改善慢性非特异性腰痛患者的局部稳定性有重要意义。
ConclusionIncreasing the rotary strength of trunks is important to improve local stability in patients with chronic nonspecific low back pain.
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