您要查找的是不是：
- 正交群orthogonal group
- 正交群对orthogonal group pair
- 正交群偶orthogonal group pair
- 超正交群hyperorthogonal group
- 一群regiment
- 正交orthogonality
- 群组group
- 交单presentation
- 一群人bevy
- 单交single cross
- 集群colony
- 新交new friend
- 群发mass-sending
- 交上hand in
- 群名group name
- 交作业hand in homework
- 交税payment of duty
- 大群army
- 援交enjo - kosai
- 群论group theory
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
