The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack, and result in forming lamella fracture surface.
结果表明，弱界面有阻碍位错运动、偏转主裂纹扩展方向的作用，可形成分层断口。
The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack, and result in forming lamella fracture surface.
结果表明，弱界面有阻碍位错运动、转主裂纹扩展方向的作用，可形成分层断口。
According to the forming principal of spherical surface, inner spherical surface of the spherical hinge is formed utilizing the circular motion of work piece and milling cutter.
根据球面形成原理，利用铣刀和工件的两个圆运动，合成球头碗的不完整内球面。
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