three-colour colorimetry[光] 三色色度学
three-colour photometry[光] 三色光度学
three-colour tube翻译
three-colour etcher三色版腐蚀机
three-colour display三色复原
three-colour reproducer三色重现装置
Three-colour fluorescence三色荧光
three-colour method三色法
three-colour process三原色印刷
ADJ（形容词） of, relating to, or comprising a colour print or a photomechanical process in which a picture is reproduced by superimposing three prints from half-tone plates in inks corresponding to the three primary colours 三色版的