“parsec”的概念、定义、习题解题方法及翻译-物理辞典

单词	parsec
释义	parsec A unit of length used to express astronomical distance. The distance at which the mean radius of the earth's orbit subtends an angle of one second of arc. One parsec is equal to 3.0857 × 10¹⁶ metres or 3.2616 light years
随便看	absorptivity abundance acceleration acceleration of free fall accelerator acceptor acceptor levels accommodation accretion disc accumulator achromatic lens acoustics acoustoelectronic devices actinic radiation actinium actinium series actinoid contraction actinometer action at a distance action potential action spectrum activation analysis active device activity additive process

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。