常見例句雙語例句Solves the problem of boundary value on an annular crack by using the nonlocal stress solution of an axisymmetric crack problem and approximative method of series expansion.利用已得到的三維軸對稱問題的非局部彈性應(yīng)力的解，采用級數(shù)近似展開的方法，求解環(huán)狀裂紋的邊值問題。 返回 approximative value