
abbr.當(dāng)且僅當(dāng)(=if and only if)
IFF.
abbr.敵我識(shí)別器(=Identification;Friend or Foe)
Solution: IFF inoperative in OFF mode. 解決:IFF無法操作已關(guān)掉。
ETrue iff the editable state can be left. 如果可編輯的狀態(tài)可以離開返回。
IFF always inoperative in OFF mode. 甚高頻在關(guān)閉模式下當(dāng)然不能用。
Iff you look back, your journey is ended. 如果你向后看,你的旅程已經(jīng)終結(jié)。
It also has 4 IFF antenna dipoles across the top of the bedspring. 在天線頂端還有4組IFF偶極天線。