The first chapter of the paper analyses the meaning of preparatory procedure, demonstrates its value and function and clarifies the importance of study on preparatoryprocedure.
本文第一章对准备程序的涵义进行了剖析，论证了其价值和功能，明确了研究准备程序的重要性。
Conclusion This experimental methods provide an operative procedure of lung transplantation on animal, and could be a preparatory step for further clinical lung transplantation practice.
结论本方法可供做动物的肺移植实验，为临床开展肺移植做准备。
Conclusion This experimental methods provide an operative procedure of lung transplantation on animal, and could be a preparatory step for further clinical lung transplantation practice.
结论本方法可供做动物的肺移植实验，为临床开展肺移植做准备。
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