FIU=Frequency Identification Unit[无]波长计FIabbr.船方不负担装货费用(=Free In)fiying fatigue[医] 飞行疲劳fimess benefit健身效益fiaction force摩擦力Fissidentaceaen.凤尾藓科fi-nal limit终极限fimite element有限元fisstured flow裂缝渗流Fiseherteehnik慧鱼fisceral cleft鳃裂fissile isotope裂变同位数