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)
Frenectomy of tongue舌系带切除术
Frustulia rhomboidesn.菱形肋缝藻
fructose intolerance果糖不耐症
Fresnel stepped lens菲涅尔阶梯透镜,菲涅尔分步透镜
Fresnel zone-plate弗雷内尔区板
Fresenel diffraction菲涅耳衍射
frustum-cusp teeth[医] 圆尖牙