“extrahead”的概念、定义、习题解题方法及翻译-物理辞典

物理辞典收录了43806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。

单词	extrahead
释义	extrahead 反常谱带头
随便看	periodic inequality periodic instability periodicity periodic motion periodic orbit periodic oscillation periodic pattern periodic perturbation periodic point periodic process periodic stream periodic surface periodic term periodic variable periodic variation period-luminosity-color relation period-luminosity curve period-luminosity relation period-mass relation period-mean density relation period of light variation period of moon's node period of revolution periodogram periodograph