“afocal lens”的概念、定义、翻译、参考文献-科学参考

单词	afocal lens
释义	afocal lens [`ā·fō·kǝl `lenz] ^OPTICS A lens of zero convergent power, whose focal points are infinitely distant.
随便看	quartz basalt quartz-bearing diorite quartz claim quartz clock quartz crystal quartz-crystal filter quartz-crystal resonator quartz delay line quartz diorite quartz fiber quartz-fiber dosimeter quartz-fiber electroscope quartz-fiber manometer quartz-flooded limestone quartz graywacke quartz horizontal magnetometer quartz-iodine lamp quartzite quartzitic sandstone quartz lamp quartz lattice quartz mine quartz monzonite quartz oscillator quartzose

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