Read Edit View history 正弦定理 zhèngxiándìnglǐ law of sines Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 正弦定理 zhèngxiándìnglǐ law of sines 我们可以利用正弦定理来求解三角形的未知边长。 Edit Delete References Add reference No references for this word.