parfocal
/pahr-foh-kuhl/US // pɑrˈfoʊ kəl //
敷衍了事,敷衍塞责,敷衍,敷衍了事的
Definitions
adj.形容词 adjective
- 1
Optics.
- : of or relating to different eyepieces that all focus their images in the same plane, so that they can be interchanged without readjusting the instrument.
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