基本解釋[數(shù)] 餘矢；餘矢函數(shù)詞組短語短語versed d cosine 餘矢versed cosine更多詞組專業(yè)釋義數(shù)學(xué)餘矢（函數(shù)）餘矢交通運(yùn)輸工程餘矢餘矢