This paper research as follows in the base of import technology and integrating application in catalytic cracked unit.
本文在消化引进设备和技术的基础上，结合炼油催化裂化装置生产实际应用，进行了以下内容的研究。
Objective To review the recent research progress of base and clinical application of tracheal replacement.
目的对气管假体的基础与临床应用研究进展进行综述。
This paper summarizes the internal and external current researches on the application of the flight data, and on this base, discusses the development trends of the research in our country.
本文总结了国内外对飞参数据的应用研究现状，在此基础上，探讨了今后我国该领域研究的发展趋势。
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