“flash factor”的概念、定义、翻译、参考文献-科学参考

单词	flash factor
释义	flash factor [`flash ´fak·tǝr] ^OPTICS In photography using a photoflash lamp, a number dependent on the lamp and the film speed, equal to the product of the distance of the lamp from the subject and the correct f-number for that distance.
随便看	photoelectron holography photoelectron spectroscopy photoemission photoemission threshold photoemissive cell photoemissive tube photometer photoemissivity photoemitter photoengraving photoengraving zinc photoenlarger photofabrication photoferroelectric effect photo finishing photofission photoflash bomb photoflash composition photoflash lamp photoflash unit photoflood lamp photofluorography photogelatin printing photogelatin printing plate photogelatin process photogeologic anomaly

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