Conclusion The length of the femur medullary cavity, the form of narrow part and the arc were exerting the conditionality function for designing and applying the Chinese intramedullary nail fixation.

结论股骨骨髓腔长度、狭窄部形态及弧度等参数在交锁髓内钉的设计和应用中发挥着制约性作用。

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Nail growth begins at the root, which produces the cells that form the nail body.

指甲的生长从根基处开始，那里可以产生形成甲体的细胞。

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When these cells lose contact with the root and form the nail body, they die.

当这些老化的细胞失去和根基的联系时，它们便形成了甲体，此时它们已经死亡。

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From the runway to main street, nail art has emerged as a democratic form of self-expression in which anyone can participate.

CNN: On main street and the runway, nail art is the new lipstick

The last full-field tournament of the US season, the Chrysler Championship has attracted a number of big names eager to either nail down their places in the season-ending Tour Championship next week in Atlanta or find some form ahead of that event.

BBC: SPORT | Golf | Gay leads quality field in Miami