A new type of high contrastfilter has been investigated in this paper. lt has features of lower light reflection on surface, selective transmission and effective electromagnetic screen.
本文介绍自行研制的高对比度滤光片。它具有较低的表面光反射率、选择性透过率和电磁屏蔽特性。
2
LCD displays, by contrast, filter light from a backlight through an array of tiny coloured filters and liquid-crystal shutters.
相比之下，液晶显示技术通过一排微型的彩色过滤器与液晶体检波器来从背光中过滤光源。
3
The marked color contrast between Mars and the bright blue star was easy to discern by eye, but is further enhanced in the picture through the use of a diffusion filter.