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单词 sine
释义 sineBrE /saɪn/NAmE /saɪn/ noun (abbreviation sin) (mathematics 数学) the ratio of the length of the side opposite one of the angles in a right-angled triangle that are less than 90° to the length of the longest side 正弦   compare cosine, tangent
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更新时间:2025/1/24 17:17:47