“lumen-second”的概念、定义、翻译、参考文献-科学参考

单词	lumen-second
释义	lumen-second [`lü·mǝn ¦sek·ǝnd] ^OPTICS A unit of quantity of light (luminous energy), equal to the quantity of light radiated or received for a period of 1 second by a flux of 1 lumen. Abbreviated lm-sec.
随便看	light quantum light radiation light radius light ratio light ray light-red silver ore light reflex light relay light-ruby silver light scattering light-scattering photometry light section car light sector light-sensitive light-sensitive cell light-sensitive detector light-sensitive tube light sensor photodevice light-sheet method lightship light source light stability light station light table light time

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