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
- land use map
- land-use model
- land use pattern of single center city
- land use planning
- land use planning system
- Land Use Policy
- land use ratio
- land use regulation
- land use rights
- land use rights for construction
- land use scale
- land use standard
- land use status
- land use strategy
- land use system
- land use targets
- land use transition
- land use type
- land use types
- land value-added revenue
- land-water interface process
- land-water storage change
- Land Without Bread
- Landé factor
- Landé g factor