| 单词 | parfocally |
| 释义 | > as lemmasparˈfocally parˈfocally adv. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [adverb] > in parfocal manner parfocally1974 1974 Physics Bull. May 197/2 For optical measurements the instrument has a high pressure xenon arc lamp and six pairs of matched condenser and objective lenses mounted parfocally in turrets. 1995 Proc. National Acad. Sci. U.S.A. 92 9708/1 Average fast elongation rates were measured for 10 different experiments using available parfocally measured distances. < as lemmas |
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