The paper evaluates the limitations that semielliptical surface crack in a shaft is simplified to a unilateral crack in a finite boundary plane and a cross straight line crack in a semi infinite body.
评价了将轴表面半椭圆裂纹简化为有限边界平板的单边裂纹问题和半无限体表面穿透直线裂纹问题来处理的局限性。
Boys not line, especially the clock home, cross the fork shaft fork he won't.
男孩子不行了，特别是钟家著，横叉竖叉他都不会。
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