The plate at each point only sends back to the eye the simple colour imprinted. The other colours are destroyed by interference. The eye thus perceives at each point the constituent colour of the image.
印版在每一点上只给眼睛留下简单的印色。其他颜色被干扰破坏了。因此，眼睛在每一点上都能感知图像的组成颜色。
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