如何降低假体返修率、提高膝关节置换术后的疗效是亟待解决的主要问题。
How to lower the revision rate as well as increase the effect of prostheses after the knee replacement should be solved urgently.
目的探讨心脏瓣膜置换术后妊娠期抗凝治疗的监护，提高心脏手术后妇女的优生率。
Objective To explore nursing care of anti-coagulation treatment during gestation after hear valve replacement and improve eugenic rate after heart surgery.
改进页面置换算法，可以降低页面失败率，从而有效地提高系统性能。
Improving virtual memory page replacement can reduce page fault rate, and therefore improve the performance of the system.
结论：人工肝血浆置换术是治疗重型肝炎病人一种安全、有效的治疗方法，可明显提高病人的存活率。
Conclusion: Artificial liver plasma replacement to heavy-duty hepatitis patient treatment is a safe and effective treatment method, which could evidently improve the patient's survival rate.
置换率是桩体承担荷载比例大小的主要因素，提高桩体承载比例的主要途径是提高桩的置换率，增大桩帽面积。
The replacement ratio is the main factor for the increase of proportion of pile bearing load, and the main way is to raise the replacement ratio of piles and the size of the pile cap.
置换率是桩体承担荷载比例大小的主要因素，提高桩体承载比例的主要途径是提高桩的置换率，增大桩帽面积。
The replacement ratio is the main factor for the increase of proportion of pile bearing load, and the main way is to raise the replacement ratio of piles and the size of the pile cap.
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