目的研究骨水泥假体柄与股骨界面应力传递的力学模型。
Objective To study the modeling stress transfer at the interface of cemented prosthesis and femur.
目的了解不同类型的髋关节假体柄与骨的接触面积，并探讨接触面积的大小与假体松动的关系。
Objective to elucidate the contact areas of stem-bone of the different type prostheses and probe into the relation between the contact areas and prosthesis loosening.
麻花钻也许可以被划分成三个主要的部分：钻柄、钻体和钻尖。
The twist drill may be divided into three principal parts:shank, body and point.
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