A flat vertical panel of fabric, paper, wood, etc., typically used in scientific experiments to intercept light, heat, or other radiation; a…
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| 单词 | θ76678 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > [noun] > regulator, modifier (3) screena1764 A flat vertical panel of fabric, paper, wood, etc., typically used in scientific experiments to intercept light, heat, or other radiation; a… light valve1922 an electrical device which regulates the amount of light passing through it. reticle1944 A pattern of opaque and transparent sections for selectively allowing light or other radiation to pass; spec. one in the shape of a disc, rotated in… |
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