结果（1）锤骨头、颈、柄，砧骨体等在横、冠状位上的显示率均为10 0 % ，其余结构在两个位置上的显示率有不同程度的差异。

Results (1) The demonstrating rate of the head, neck and handle of malleus on both transverse and coronal plane was 100%. The other structures were seen in different degrees.

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该钻头是在钻体的下端焊接着有一定耐磨性合金包镶金刚石的钻齿，上端焊接着钻柄。

The diamond drilling teeth covered with antiwear alloy are welded to the lower end of drilling body and a triangular drilling shank is welded to the upper end.

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Charnley发现第一代假体柄有较高的假体骨折率。

Charnley was concerned at the fairly high rate of fracture of his first-generation stems.

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