英语词汇“threshold illuminance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	threshold illuminance
释义	threshold illuminance threshold illuminance [′thresh‚hōld i′lü·mə·nəns] (optics) The lowest value of illuminance which the eye is capable of detecting under specified conditions of background luminance and degree of dark adaptation of the eye. Also known as flux density threshold.
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