FREBabbr.=Federal Real Estate Board 联邦不动产委员会；Federal Real Estate Board 联邦房地产理事会FRabbr.故障率（=failure rate）abbr.故障记录（=faillure record）abbr.故障报告（=failure report）Fregoli's phenomenonfrenulum of clitoris阴蒂系带frequenee conversion变频嚣Fructus Perillae oil苏麻籽油Fresnel construction菲涅尔波带设计Frecz-thaw cycling冻融循环试验Freundlich's formulaFructus Ulmns pumila榆荚仁fructose preparation果糖制剂Fructification habit结实习性