英语词汇“entrance pupil”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	entrance pupil
释义	entrance pupil Optics. the image of the aperture viewed from the objective of an optical system limiting the rays that enter the system. Cf. exit pupil.
随便看	flow sheet. flowstone Floyd fl. oz. FLRA flu flub flubdub fluctuant fluctuate fluctuation flucytosine flue flue-cure fluent flue pipe fluerics flue stop fluff fluffy flugelman fluid fluid coupling fluid dram fluid drive

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