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二次方程
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二次方程【计】 quadratic equation 二次方程èrcì fāngchéng[quadratic equation] 未知数最高次幂为2的方程式,如 2x2+3x-5=0
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英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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