| 单词 | quadratic equation |
| 释义 | quadratic equationMaths quad·rat·ic e·qua·tion /kwɒˌdrætɪk ɪˈkweɪʒən $ kwɑː-/ noun [countableC] technicalHM an equation such ax²+by+c = z, which includes numbers or quantities multiplied by themselves 二次方程（式） Examples from the Corpus quadratic equation• One boy was solving a quadratic equation, another was engaged with Euclid. (1600-1700) quadratic from quadrate “square” ((14-21 centuries)), from Latin quadratus, past participle of quadrare “to make square” |
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