the scientific study of sight and light 光学 Oxford Collocations DictionaryOptics is used after these nouns:- fibre
- [plural] (especially North American English)
the way in which an action or event is seen and understood by the public In politics, optics matter. 在政治中，光学至关重要。 His decision to cut employee benefits may have been necessary, but the optics were terrible. 他削减员工福利的决定也许是必要的，但是光学系统却很糟糕。
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