freq[电] 频率
FRabbr.故障率(=failure rate)abbr.故障记录(=faillure record)abbr.故障报告(=failure report)
fructus terminaliae immaturus藏青果
fructus citri aurantii amarae[医] 代代花枳壳
fructose diphosphate aldolase果糖二磷酸醛缩酶
Fructus Gardeniae Praeparatus焦栀子
fructus polygoni lapathifolii[医] 酸模叶蓼子
Fructus Schisandrae Chinensis五味子
frenulum praeputii clitoridis阴蒂系带
frequence of periodic function周期函数的频率
frenulum buccinator inferioris[医] 下颊系带