It is expatiated on operation material and rehabilitation of the cruciate rupture of knee, which is the common cause of cessation of sports life for athletes.
膝交叉韧带断裂是导致运动员终止运动生涯的常见原因，本文阐述了手术治疗中的材料问题和术后康复方法。
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In Chernobyl the explosion was caused by excessive pressure buildup hydrogen explosion and ruptureof all containments propelling molten core material into the environment (a "dirty bomb").
In the same material, dimension and load circumstance, the cut stress of the triangle thread is smallest. Its rupture load is higher than the echelon and rectangle.