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词汇 Circle group
分类 英语词汇 英语翻译词典
释义

Circle group

原声例句
环球慢速英语

The Himalayan Mountains circle round other groups of mountains.

喜马拉雅山脉环绕着其他群山。

阿尔伯塔大学-恐龙古生物学

We'll start by circling the whole group.

我们将从围绕整个小组开始。

金融时报

Images showed hundreds of women gathering on the main square and performing a traditional sort of dance where you walk around in circles and then circle the group of police officers and surrounded them and chanted slogans against the war.

照片显示，数百名妇女聚集在主广场上，表演一种传统的舞蹈，绕着圈子走，然后围着一群警察高呼反对战争的口号。

中文百科

圆群

圆群上的加法

在数学里，圆群标记为T，为所有模为1之复数所组成的乘法群，即在复数平面上的单位圆。

\mathbb T = \{ z \in \mathbb C : |z| = 1 \}.

圆群为所有非零复数所组成之乘法群C的子群。由于C可交换，T也是可交换的。

圆群的符号T源自于T（n个T的直积）几何上是个n-环面的此一事实。而圆群即正是一个1-环面。

英语百科

Circle group 圆群

Multiplication on the circle group is equivalent to addition of angles
Rotation de 60 degrés, envoyant 1 sur j.
En bleu, les géodésiques issues d'un point à l'infini. En rouge, les horocycles centrés en ce point.

In mathematics, the circle group, denoted by T, is the multiplicative group of all complex numbers with absolute value 1, i.e., the unit circle in the complex plane or simply the unit complex numbers

The circle group forms a subgroup of C, the multiplicative group of all nonzero complex numbers. Since C is abelian, it follows that T is as well. The circle group is also the group U(1) of 1×1 unitary matrices; these act on the complex plane by rotation about the origin. The circle group can be parametrized by the angle θ of rotation by
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