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。
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。
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。
As these cells form they produce keratin, the substance that makes the nail body hard and durable.
这些细胞形成后会产生角蛋白，正是这种物质使得我们的指甲坚固且耐用。
The prescript of the affiliated obligation is simple, we should nail down the forms of it, improve the legal efficacy of it, and nail down the duty form and the principle of disobeying it.
我国对附随义务的规定过于简略，应从立法上进一步明确附随义务的各种形态，提高附随义务的法律效力，明确违反附随义务的责任形式及归责原则。
The leg height of the anastomotic nail can form normally and the rear pin leg bends at the bend portio after forming, improving the rate of standard forming.
吻合钉的钉腿高度能够正常成型，成型后钉腿在弯折部处弯折，提高了标准成型的概率。
The results showed as follows: (1)The high-frequency (>50%) traits were straight-pollical type, relative length of annularis over index, long-nail form, plantar digital formula;
研究结果表明：（1）直型拇指、环指长、长型指甲、足趾长的特征出现率均大于50%；
The results showed as follows: (1)The high-frequency (>50%) traits were straight-pollical type, relative length of annularis over index, long-nail form, plantar digital formula;
研究结果表明：（1）直型拇指、环指长、长型指甲、足趾长的特征出现率均大于50%；
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