短語(yǔ)詞組短語(yǔ)visibility y curve 可見(jiàn)度曲線threshold visibility curve 閾可見(jiàn)度曲線scotopic visibility curve 暗視光譜敏感曲線relative visibility curve 相對(duì)可見(jiàn)度曲線photopic visibility curve 明視光譜敏感曲線curve visibility analysis 曲線通視分析 返回 visibility curve