“extragalactic X-ray background”的概念、定义、习题解题方法及翻译-物理辞典

单词	extragalactic X-ray background
释义	extragalactic X-ray background 河外X射线背景
随便看	two-spectrum binary two-stage acceleration two-step acceleration two-stream hypothesis two stream hypothesis two-stream instability two-way Doppler two-way light yime two-way mode TWT Tycho Tycho Catalogue Tychonic system Tycho's nova Tycho's star Tycho's supernova Tyl type A Fermi collision type B Fermi collision type IV radio burst type V radio burst type Ⅰa supernova type Ⅰb supernova type Ⅰ cepheid type Ⅰc supernova

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。