Freh弗雷FRabbr.故障率（=failure rate）abbr.故障记录（=faillure record）abbr.故障报告（=failure report）Fresnel theory of double refraction菲涅耳双折射理论Fresnel Lens Optical Landing System费雷斯内尔透镜光学着陆系统Fructose-biphosphatase deficiency果糖二磷酸酶缺乏Frustulia interposita var. disparn.中间肋缝藻异端变种frenulum of superior medullary velum上髓帆系带Fructus Ponciri Trifoliatae Immaturi绿衣枳实Fructosediphosphates/pharmacology果糖二磷酸盐类／药理学Frenckner-Stille hypophyseal punch弗-斯二氏脑垂体咬切器FRD Formulas for Relation Definition关系定义公式FRESNEL FORMULA AND HALF-WAVE LOSS