工学 ﹝常用航天器轨道﹞ 释 geosynchronous orbit 地球同步轨道 运行周期与地球自转周期（23小时56分4秒）相同的顺行人造地球卫星轨道。俗称24小时轨道。
geosynchronous orbit 同步轨道
网络与数据通信 无线网络 释文 geosynchronous orbit 对地同步轨道
- Berry's geometric phase
- Berry's pseudorotation mechanism
- Berry transformator
- Bers
- Bers area theorem
- BERSIH
- Bers space
- Berstein wave
- Bers type
- Bertelsmann
- Bertel Thorvaldsen
- Bert Haanstra
- Berthelot equation of state
- Berthelot Islands
- Berthe Morisot
- berthing
- Berthod Laufer
- berthollide
- berth waters survey
- Bertil Lindblad
- Bertini
- Bertini involution
- Bertini theorem
- Bertolt Brecht
- Bertram Claude Brookes