AFTFAir Force Task Force 空军特谴部队eftfefterflger (Dano-Norwegian=successor) （丹麦-挪威语）继承者，后续的事物FTF[医][=fingertofinger(..Haftflicht民事责任AFTFAAir Force Tactical Fighter Aircraft 空军战术战斗机ftfetfour-terminal field-effect transistor 四端场效应晶体管FTFETfour-terminal field-effect transistor 四端场效应晶体管ftfface to face 面对面