相关单词近義詞 arccos 反餘弦, arccosine 反餘弦, arc cosine 反餘弦臨近詞inverse FDI, inverse, inverse Forier's transform, inverse drerivative action, inverse serial correlation, inverse parabolic equation, inverse transient analysis, inversed ratio ventilation, inverse eigenvalue problem, inversely as the square of, inverse matrix calculation, inverse coefficient matrix 返回 inverse cosine