奥米伽系统 meaning in Chinese

omega system

Two typical land - based systems are loran and omega , while typical space - based systems are gps of usa and glonass of russia
陆基导航系统的代表有罗兰和奥米伽系统。
Navigational instruments . system omega and differential omega receivers for ships . operational and performance requirements . methods of testing and required test results
导航仪表.船舶用奥米伽系统和差动奥米伽接收器.操作和性能要求.试验方法和要求的试验结果