FTTfaulttolerancetechni..ofttimes经常FTTBFiber To The Building 光纤到大楼FTTCfibertothecurb光纤到路边;..FTTDfiber-to-the-desktop 光纤到桌面FTTH=Fiber To The Home. 通信光纤到户。FTTNfiber-to-the-neighbo..fttpfull-time temporary personnel 专任的临时职员fttrfitter 装配工FTTRfiber-to-the-remoteu..FTTPfiber to the premises 光纤到驻地ftt[医][=failure to thrive]不能生长发育，发育停滞