如果钢板没有放在骨界面的中央，锁定头螺钉将不能达到最佳的固定。

Locking head screws will not have optimal fixation if the plate is not sitting over the middle of the bone surface.

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鼻部的中央支持系统是鼻中隔，其与后方的筛骨垂直板和下方的犁骨接合在一起。

The central supporting system of the nose is the septum, which articulates with the perpendicular plate of the ethmoid posteriorly and the vomer inferiorly.

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中央管直径和面积百分比的图像分析结果显示人与动物骨的差异均有显著意义。

Significant differences in the central canal diameter and total area percentage between human and animal bones were shown by imaging analysis.

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