| 释义 |
七色板qīsèbǎn光学仪器,是一块涂着红、橙、黄、绿、蓝、靛、紫七种颜色的圆板,固定在横轴上,如果急速旋转,就呈现白色,可以用它证明由七种色光合成白光的原理。{Newton's disk; seven-colour disk; optical apparatus in the form of a disk fixed on a horizontal axis and painted red, orange, yellow, green, blue, indigo, and violet, which blend into the colour white when the disk is set to turn around rapidly, thereby justifying the principle that light is the compound of the seven colours} |