| 单词 | hologram |
| 释义 | hologram /hol"euh gram', hoh"leuh-/, n. Optics. a negative produced by exposing a high-resolution photographic plate, without camera or lens, near a subject illuminated by monochromatic, coherent radiation, as from a laser: when it is placed in a beam of coherent light a true three-dimensional image of the subject is formed. Also called holograph. [1945-50; HOLO- + -GRAM1] |
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