Results The operation technique, tact system, drainage tub, preventive using of antibiotic and preoperative improving the compliance of abdominal wall influenced the wound healing obviously.

结果手术操作、缝合方式、放置引流管、预防性抗生素应用及术前提高腹壁顺应性为影响愈合的主要因素。

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This paper proposes a scalable optimization algorithm, by which the tact time of the assembly line can be reduced, so the productivity of the whole system is increased.

并提出了增容性优化算法，可以缩短装配节拍，从而达到提高了装配系统生产率的目的。

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