Freu弗勒FRabbr.故障率（=failure rate）abbr.故障记录（=faillure record）abbr.故障报告（=failure report）frequencv offset频偏Fructus psoralea中药补骨脂fremitus vocalis语颤, 语音震颤fructosaccharase果糖苷酶fruticous tundra灌木冻原fructus hoveniae[医] 枳Р子FRP/composite玻璃钢／复合材料frequence domain频域Frenguellisaurusn.富伦格里龙Fresnel bimirror[化] 非涅耳双镜