略語大辞典 [Opt] 26 FECO (scanning) fringes of equal chromatic order (interferometry) (走査型)等色次数干渉縞(干渉計). 表面形状光学測定器. (scanning) fringes of equal chromatic order (interferometry); a surface profiling optical interferometer; [Opt:Mes]. 丸善「略語大辞典」JLogosID : 11874753