DFabbr.1.■damage free 不受损伤的,有保护的2.■Dean of the Faculty系主任;学部主任3.■Defender of the Faith4.■Department of Food and Agriculture(印度)粮食和农业部5.■Dermatology Foundation(美国)皮肤病学基金会6.■direction finder7.■direction finding探向,测向8.■Distrito Federal[西班牙语](墨西哥等国的)联邦区( = Federal District)9.■Doctor of Forestry林学博士