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- regular octahedron group 正八面体群
- The synthesis of regular octahedron cobalt oxide microcrystals for the application of battery material in supercritical carbon dioxide system was studied. 研究了正八面体氧化钴颗粒在超临界二氧化碳体系中的合成过程。
- A series of convenient methods for the preparation of the paper-folded regular octahedron, regular tetrahedron, and regular cubic cone are presented here. 介绍纸折正四面体、正八面体和正方锥形的简易制作方法，并推广应用于制作天然硅盐的多种复杂阴离子结构及某些多酸阴离子结构的模型。
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- 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。
- I must insist on more regular hours. 我必须强调起居定时。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The rebels made regular attacks on the railways. 叛军不时地袭击铁路。
- 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。
- He comes back to see us at regular intervals. 他每隔一段时间就回来看看我们。
- The computer gave a regular bleep. 计算机发出有一定节律的哔哔声。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I am a regular reader of this newspaper. 我是这份报纸的长期读者。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He works hard and keeps regular hours. 他工作努力，生活很有规律。
- 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。
- a regular octahedron 正八面体
