optics

/ˈɑptɪks/ 名词 C1

中文：光学

The physics of light and vision: basic optical science. · a PhD in the optics of liquid crystals
Technology that makes use of such physics: applied optical science; business lines making use of such technology. · defense R&D investments in both optics and electronics
The light-related aspects of a device. · the optics of liquid crystals under certain laboratory conditions· The optics of this telescope are particularly good.
Perception, image, public relations, especially in politics. (figuratively) · Near-synonyms: appearances, spectacle, theatrics; choreography· His policy prescription was sound, but the optics were horrible.

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