FFabbr.固定的费用（=Fixed Fee）FFT spectroscope apparatus傅里叶红外光谱仪FFHQKL/Pharmacodynamics复方黄芪颗粒／药效学fforced alternating current强射的交变电流FF Front Engine Front Drive前置发动机前轮驱动FFOT Ford Fixed Orifice Tube福特固定限流管ffriction disk shock absorber[机] 摩擦盘减震器FFP Firm Fixed Price Contract严格固定价格合同FFT - based channel estimation变换域插值FFT wind power generation system分频风电系统FFPS Series Bran Brushing Machine系列刷麸机