船舶导航信标 ship beacon

船模导航法 model guide method

八号飞船导航信号 Recon Craft Theta

阿波罗飞船的导航系统 Apollo Guidance System

舰船导航 [水运] ship navigation

船舶导航 marine navigation

船舶导航系统 ship navigation system

船载导航设备 shipborne navigational aid

导航仪及船内通讯设备 navigation and intercommunication equipment