| 单词 | quadric |
| 释义 | quadric /kwod"rik/, Math. adj. 1. of the second degree (said esp. of functions with more than two variables). n. 2. a quadric function. 3. a surface such as an ellipsoid or paraboloid as defined by a second-degree equation in three real variables. [1855-60; QUADR- + -IC] |
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