Based on the singular stress field with multiple singularities , numerical methods to determine the orders of the multiple stress singularities are proposed from the numerical solutions obtained by common numerical procedures 其次,基于橫觀各向同性壓電材料空間軸對稱變形問題的通解,利用特征展開法,給出了奇異點附近的位移場和奇異應(yīng)力場。