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。

youdao

With a continuously distributed dislocation model, this paper deals with cracks inclined to a free surface of a semi infinite plane under remote loadings.

采用连续分布位错模型讨论和分析了受远处载荷下半无限平面自由边界附近任意方位的裂纹问题。

youdao

As primary stiffness, poor water permeability, reflective cracking of pavement surface layer. Traditional semi-rigid base asphalt pavement are easy to premature fatigue cracking phenomenon.

传统的半刚性基层沥青路面，由于基层刚度大、透水性较差，面层反射裂缝多，路面易过早发生疲劳开裂现象。

youdao

Moya's defeat came after a hard-fought contest but Grosjean won only three games as he struggled to switch from the faster grass surface on which he reached the semi-finals at the All England Club earlier this month.

BBC: Seeds fall in Germany

Harry Redknapp became the latest football manager to heavily criticise the pitch's condition on Sunday after he saw his Tottenham team and opponents Portsmouth struggle on the slippery surface, which cut up badly during the sides' FA Cup semi-final.

BBC: Groundsmen's group invited to Wembley pitch meeting

Harry Redknapp became the latest football manager to heavily criticise the pitch's condition after he saw his Tottenham team and opponents Portsmouth struggle on a slippery surface which cut up all too easily when the two sides clashed in the second semi-final.

BBC: Wembley pitch will be relaid indefinitely up to 2023