“visual photometer”的概念、定义、翻译、参考文献-科学参考

单词	visual photometer
释义	visual photometer [`vizh·ǝ·wǝl fǝ`täm·ǝd·ǝr] ^OPTICS A photometer in which the luminance of two surfaces is compared by human vision; it usually utilizes the Lummer-Brodhun sightbox or some adaptation of its principles.
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科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。