Freu弗勒FRabbr.故障率（=failure rate）abbr.故障记录（=faillure record）abbr.故障报告（=failure report）fructus foeniculi小茴香frenula synoviale[医] 腱系膜(腱与鞘间的系带)fructus naturales天然收成frustum of sphere球截角锥体Frenzel's glassesfreund's adjuvantfructus cardamomi[医] 豆蔻fructolysis index果糖分解指数Fructus Cinnamomi桂丁Frderick Thompson汤普森