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受到光、电、热等外界激发源作用后可发生颜色变化的物质称为变色物质,本文介绍了光致变色、电致变色及热致变色材料的变色原理、应用及发展前景。
By the light, electricity, heat and other external sources can change the color of the material known as the discoloring material, this paper describes the photochromic, electrochromic and thermochromic material discoloration principle, application and development prospects.