| 单词 | quadratic |
| 释义 | qua·drat·ic I. 1. 2. < a quadratic equation is one in which the highest power of the unknown quantity is a square > 3. < quadratic system in crystallography > II. 1. < 3x2+4x-1.0 is a quadratic > 2. qua·drat·ics |
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