单词：aberrations
n. a disorder in one's mental state
n. an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
aberrations的用法和样例：
例句
- Most of the published papers studied monochromatic aberrations, which didn't concern correction of chromatic aberrations at large FOR.已报道的文献都是针对单色像差校正问题，而对于大目标视场下单色像差与色差校正难点一直没有相关研究报道。
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