“photometry”的概念、定义、习题解题方法及翻译-物理辞典

单词	photometry
释义	photometry The study of visual radiation, especially the calculations and measurements of luminous intensity, luminous flux, etc. In some cases photometric calculations and measurements extend into the near infrared and the near ultraviolet. In photometry, two types of measurement are used: those that measure luminous quantities rely on the use of the human eye (for example, to compare the illuminance of two surfaces); those called radiant quantities rely on the use of photoelectric devices to measure electromagnetic energy. See also photometer
随便看	periodic law periodic motion peripheral device periscope Permalloys permanent gas permanent magnet permeability permittivity permutations and combinations perpetual motion personal computer perturbation perturbation theory perversion PET peta- pewter Pfund series pH pH scale phase phase angle phase diagram phase modulation

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。