Conclusion: Reversible oviduct block contraception is a new method, its blocks being unlikely to drop out; safe and reliable, with good reversibility and high renewal rate of pregnancy.

结论：输卵管置管可复性节育术方法新颖，不易脱落，安全可靠，可复性好，复孕率高。

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Have elaborated method and the control principle in design, have drawn control block diagram and software flow chart, and have pointed out the crucial technology in design.

阐述了设计中的控制原理和方法，绘制了控制框图和软件流程图，并指出了设计中的关键技术。

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Conclusion: the method of cerumen's being taken out by nerve block anaesthesia is simple, easy to master and is of positive efficacy.

结论：神经阻滞麻醉控制耵聍取出的方法简便，操作易掌握，疗效肯定。

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