Ferst费斯特FER-fer.suf.表示“带有者”FER.abbr.浮点出错(=Floating Error)fertilization in spring春季施肥ferro-silicon process硅铁法ferruginous concretions铁结核ferrite-diode circuit铁氧体二极管电路ferroelastic transition铁弹性相变ferrite -core storage铁氧体磁芯存储器ferromagnetism material铁磁性材料ferritic transformation铁素体转变Ferula kingdon-wardiin.草甸阿魏fertilization practices施肥方式