您要查找的是不是：
- planar discontinuous groups 平面不连续群
- planar discontinuous group 平面不连续群
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- Do you teach your students singly or in groups? 你教学生是个别地教还是按组教？
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- The group was made up of doctors. 这个团体是由医生组成的。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- He is a the most brisk young man in this group. 他是这个小组中最活跃的年轻人。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- The chief accountant of a manufacturing group. 一个制造业集团的总会计师。
- The hunting group had good sport today. 今天打猎小组满载而归。
- I stand out in a group interview. 在集体面试中脱颖而出。
- Rioting broke out between rival groups of fans. 双方球迷之间发生了骚乱。
- Output current is also discontinuous (chopped). 输出电流也不连续(斩波).
- A planar surface of a geometric solid. 表面几何图形的多面体的表面
