| 词汇 | secant |
| 释义 | secant noun [ C ] mathematics specialized uk/ˈsiː.kənt/ us/ˈsiː.kənt/ 正割 in a triangle that has one angle of 90°, the ratio of the hypotenuse (= the length of the side opposite the 90° angle) to the length of the side next to an angle less than 90° 割线 a line that crosses a circle at two places |
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