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.[數]正弦同根派生 sine相关词英汉例句用作名詞 (n.)The voltage requires being smooth and stable sine wave.其工作電壓要求是平滑而穩定的正弦波。The cosine rather than the sine is customarily used in this case.在這種情況下，習慣上用餘弦函數而不是正弦函數。sine更多例句英英字典劍橋英英字典 (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