automatic program for positioning system定位系统: position system; fixer syste ...自动: voluntarily; of one's own ac ...程序: procedure网络系统自动程序控制: scheduling control automation by network system; schedulingcontrolautomationbynetworksystem自动定位系统: automatic station keeping system; automatic stationkeeping system下载手机词典可随时随地查词查翻译