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| 单词 | sine |
| 释义 |
sine [saɪn] (written abbreviation sin) specialized noun countable ■(in a triangle that has one angle of 90°) the ratio of the length of the side opposite an angle less than 90° divided by the length of the hypotenuse (= the side opposite the 90° angle) 正弦 Compare cosine ; tangent |
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