Multi-colour printing: Colour printing not limited by the use of processcolours. Any number of colours and any special colours may be used.
多色印刷：可用任何数量任何特别颜色的印刷，不受四色彩印所用的颜色限制。 印刷业翻译。
2
We know the process takes between 12 and 24 hours, but not how the different petals turn out different colours.
我们清楚整个吸水的过程需要12到24个小时，但不明白为什么不同的花瓣会吸收不同的颜色。
3
The colours were produced by a process known as plasmon resonance in a patterned aluminium film made in the university's James Watt Nanofabrication Centre.