This involves adding a layer of coloured filters above the black-and-white capsules, so that they can change colour.
该技术要在黑白胶囊上方加一层彩色滤光片(coloured filters)，这样胶囊就能变色。
The course of development of EPDM composite coloured shingle is described with focus on its main materials and self-stick layer.
介绍了EPDM复合彩瓦的研制过程，并对其中的主体材料和自粘层作了详细的论述。
A silver mirror, coated with a newly developed platinum coloured protective layer.
银色镜面涂层加上新开发的白金色保护层。
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