您要查找的是不是：
- 系统system
- 导航navigation
- g 导航系统gee system
- 系统的systemic
- 导航系统Loran (long-range navigation)
- 信息系统information system
- 该公司决定投标导航系统。The firm decided to bid on the guidance system.
- 摘要导航系统是网络课程设计的重要环节，是评价网络课程的重要指标。The design of navigation system is the most important process in developing web base course , and the navigation system is the critical estimated part in webbased course too.
- "奇异" 导航系统Gee
- 奥米加导航系统omega
- "奇异" 导航系统图Gee chart
- 奥米伽导航系统Omega
- "罗兰" 双曲线远程导航系统Loran
- ρ－θ无线电导航系统ρ-θ navigation
- 奥米伽远程导航系统Omega
- 奥米加导航系统工作说明Omega navigation system operations detail
- 惯性导航系统inertial navigation system
- "那伐霍" 远程无线电导航系统navigation and radio homing
- 伏尔塔克导航系统VHF omnidirectional range and tactical air navigation -VORTAC
- 极座标导航系统rho-theta system
