例句與造句

1. 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。
2. It's difficult to find multiple singularity in a sentence. 用multiple singularity造句挺難的