单词 | luminous emittance |
释义 | luminous emittance [`lü·mǝ·nǝs i`mit·ǝns] OPTICS The emittance of visible radiation weighted to take into account the different response of the human eye to different wavelengths of light; in photometry, luminous emittance is always used as a property of a self-luminous source, and therefore should be distinguished from luminance. Also known as luminous exitance. |
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