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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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