“proper motion”的概念、定义、习题解题方法及翻译-物理辞典

单词	proper motion
释义	proper motion The apparent angular motion of a star on the celestial sphere. This is motion in a direction that is perpendicular to the line of sight
随便看	photography photoionization photolithography photoluminescence photolysis photometer photometric brightness photometry photomicrography photomultiplier photon photoneutron photonic crystal photonics photonuclear reaction photopic vision photoreceptor photosensitive substance photosphere phototransistor photovoltaic effect physical chemistry physics physisorption pi

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。