略語大辞典 [E] 29 CFF critical (flicker) fusion frequency (眼に対する照明の)限界(臨界)フリッカー値. 眼が光の点滅のチラツキを感じなくなる限界の周波数.critical (flicker) fusion frequency; or CFFF; or flicker fusion threshold; of illumination to the eye; [E:Opt:Med]. 丸善「略語大辞典」JLogosID : 11869082