To study the structure of isotropy subgroups is an important problem in geometry of classical groups over finite fields.
研究迷向子群的结构是有限域上典型群几何中的一个重要问题。
In Chapter 4, we focus on the structure of the rational invariant fields of the maximal subgroups and root subgroups of finite classical groups.
第四章在有限典型群的极大子群和根子群的有理不变式域方面做了一些讨论。
They had four groups learn vocabulary words using one of four instrumental pieces - slow classical, slow jazz, fast classical, and fast jazz.
他们让四组被测分别用古典音乐、爵士乐、变奏古典音乐和变奏爵士乐进行单词学习。
These sub groups used either the same (i.e. slow classical, slow classical) or different (i.e. slow jazz, fast classical) pieces when taking the recall test.
在进行回想测试时，这些新分的被测小组的音乐有些相同(如慢速古典音乐，慢速古典音乐)，有些不同(如慢速爵士乐，快速古典音乐)。
For Western readers, the architecture of the ancient world, of the Orient, and of the pre-Columbian Americas may be divided into two groups: indigenous architecture and classical architecture.
对西方读者来说，源于古代、东方，以及哥伦布到达美洲以前的建筑可以分为两类：本土建筑和古典建筑。
Many of important concepts in the theory of abstract Lie algebras come from classical theory of groups, for example, complete Lie algebras is a generalization of complete groups.
李代数的抽象理论中很多重要的概念都来源于经典群论，完备李代数便是一个例子。
Classical music originated in Europe. The compositions are formal and the musicians rarely improvise. Classical music groups vary in size from string quartets to symphony orchestras.
古典音乐起源于欧洲。它的作曲非常正式，演奏家很少即席发挥。古典音乐乐队的大小差别很大，小至弦乐四重奏乐团，大到交响乐团不等。
We recall the characteristics of the groups with hyperbolic symmetry and improve the IFS iterated function systems which are used to construct the classical fractal sets in the Euclidian plane.
方法分析双曲对称群的特点，改造欧式平面上构造经典分形的IFS迭代函数系，利用这种迭代函数系与双曲平面对称变换构造出组合IFS，通过随机挑选组合IFS中的仿射变换，构造双曲排列的分形集。
Methods 102 cases were cut into two groups. Patients in experiment group were treated by fistulation with rubber tissue, and other patients in controlled group were treated by classical fistulation.
方法102例患者，分为2组：引流条造瘘组以橡皮引流条贯穿于囊肿或脓肿壁两造口之间建立人工瘘道；
Methods 102 cases were cut into two groups. Patients in experiment group were treated by fistulation with rubber tissue, and other patients in controlled group were treated by classical fistulation.
方法102例患者，分为2组：引流条造瘘组以橡皮引流条贯穿于囊肿或脓肿壁两造口之间建立人工瘘道；
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