| 词汇 | positive eyepiece |
| 释义 | Definition of positive eyepiece in English:positive eyepiecenoun Optics
OriginMid 19th century; earliest use found in William T. Brande (1788–1866), chemist. Definition of positive eyepiece in US English:positive eyepiecenoun Optics
OriginMid 19th century; earliest use found in William T. Brande (1788–1866), chemist. |
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