Relating to the processes of dyeing or coloring . Dirty colour : A colour containing three primary colours or any colour with black .

染色的，着色的有关染色或着色的色：不纯的颜色。它含有黑色或 三 种 原色。

Research and Preparation of RE Three Primary Colours Phosphor for Energy-Saving Lamp

节能灯用稀土 三 基色荧光粉的研制

Four-colour process : Colour printing with the three subtractive primary colours ( yellow magenta cyan ) plus black . Also called Full colour printing Process colour printing .

四色彩印：用 三 个减色法 原色（黄、洋红、青蓝）加上黑色的彩色印刷。

Apochromatic lens : Compound lens corrected for chromatic aberration i.e. the three primary colours red green and blue are corrected . Also called Apochromat .

电视信号彩色校正器复消色差透镜：矫正色差的复合式透镜：即是红、绿和蓝 三原色的色差都已矫正。

In this paper the history of compact three primary colours energy-saving lamp is summed up and its development and prospective are expounded .

本文综述了新型电光源紧凑型 三 基色节能灯的历史，着重阐明了节能灯的发展前景。

Dirty colour : A colour containing three primary colours or any colour with black .

色：不纯的颜色。它含有黑色或 三 种 原色。