EOFn.地球轨道飞行EOabbr.工程指示(=Executive Order)abbr.椭圆的轨迹(=Elliptical Orbit)abbr.终端站(=End Office)abbr."异-或"逻辑(=Exclusive OR)eoved vault凹圆穹顶eolian soil风成土eorrosivity腐蚀性eozoic eara始生代eooanetoxin水母毒素eounterplan对策eopaleozoic始古生代的EOL procudt废旧产品eomposition中学生eompetitive竞争