“Free Flight (Air traffic control)”的意思、由来-开放百科全书

词条	Free Flight (Air traffic control)
释义	SeeFree flight (air traffic control)
随便看	Terri L. White Terri Lynn Terri Lynn (musician) Terri Lynn Weaver Terri MacGregor Terri Mcmillan Terri Mitchell Terri Moss Terrine Terrine (cookware) Terrine (disambiguation) Terrine (food) Terrington railway station Terrington Saint Clement Terrington Saint John Terrington St John Terrington St. John Terringzean Castle, East Ayrshire Terrinée Terrior Terri Quaye Terri quaye Terri Rachals Terri Ryan Terris

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。