“quadratic equation”的概念、定义、习题解题方法及翻译-物理辞典

单词	quadratic equation
释义	quadratic equation An equation of the second degree having the form ax² + bx + c = 0 . Its roots are: x = [-b ± v(b² - 4ac)]/2a
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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。