| 单词 | oval of Cassini |
| 释义 | oval of Cassini [`ō·vǝl ǝv kǝ`sē·nē] MATHEMATICS An ovallike curve similar to a lemniscate obtained as the locus corresponding to a general type of quadratic equation in two variables x and y; it is expressed as [(x + a )2 + y2] [(x - a )2 + y2] = k4, where a and k are constants. Also known as Cassinian oval. |
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