像差 xiàngchā aberration, astigmatism Definitions Defs Origin Strokes Stroke Words Sentences Sents 像差 xiàngchā aberration, astigmatism (physics/optics) the failure of a lens or mirror to produce an exact point image of an object, such as astigmatism or chromatic aberration Frequency Written text 0.237 per million Sources Frequency data BCC Corpus (BLCU)
像差 xiàngchā aberration, astigmatism (physics/optics) the failure of a lens or mirror to produce an exact point image of an object, such as astigmatism or chromatic aberration Frequency Written text 0.237 per million Sources Frequency data BCC Corpus (BLCU)