Navigation Pod导航吊舱navigationn.导航；航行；航海navigation by space references天体导航Navigational Satellite Program导航卫星计划Navigation Information Network导航信息网Navigational Control Indicator导航控制指示器navigation for foreign journals外刊导航navigation and control software导航控制软件navigation technology satellite导航技术卫星Navigation Information Bulletin航行情报公报Navigation Astronomy Technology牵星术navigation induce and calculate航位推算