音标发音英式音标 [saɪn]美式音标 [saɪn]英式发音 美式发音 基本解释n.[数]正弦同根派生 sine相关词英汉例句用作名词 (n.)The voltage requires being smooth and stable sine wave.其工作电压要求是平滑而稳定的正弦波。The cosine rather than the sine is customarily used in this case.在这种情况下，习惯上用余弦函数而不是正弦函数。sine更多例句英英字典剑桥英英字典 (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)sine剑桥字典sine柯林斯字典