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hologram 音标拼音: [h'ɑləgr,æm] n. 立体照相 立体照相 hologram 全息照相 hologram 全像 hologram n 1: the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography [synonym: {hologram}, {holograph}] hologram \hol"o*gram\, n. A photographic image giving the observer a seemingly three-dimensional view of the represented object. The three-dimensional effect is produced by exposing a photographic recording medium to an interference pattern generated by a coherent beam of light (as from a laser) reflected from the subject, interacting with a beam directly from the source. The full three-dimensional effect requires illumination of the image with coherent light, but less perfect three-dimensional visual effects may also be observed when the hologram is illuminated with white light. [PJC] 22 Moby Thesaurus words for "hologram":
Photostat, Xerox, Xerox copy, blowup, blueprint, contact printing, cyanotype, enlargement, glossy, lantern slide, matte, microcopy, microprint, photocopy, photogravure, photostatic copy, positive, print, projection printing, semi-matte, slide, transparency
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