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本文介绍了国际上微重力条件下燃烧科学的研究现状，论述了微重力条件下燃烧过程的基本特点及其火灾特性。在此基础上，对空间飞行器的防灭火技术进行了简单介绍和探讨，并着重阐述和介绍了国际上微重力条件下燃烧和灭火研究的内容及航天舱内采用阻燃气氛来抑制火灾发生的方法，并讨论了国际上空间飞行器内的火灾探测和扑救技术。
This paper introduces the research status of combustion science under the condition of microgravity in the world and discusses the basic characteristics and fire characteristics of combustion under microgravity. On this basis, a brief introduction and discussion on the fire fighting and extinguishing technologies of spacecraft are given, and the content of the international research on combustion and fire extinguishing under the conditions of microgravity and the use of the flame retardant atmosphere in the aerospace cabin to suppress the occurrence of fire Methods, and discusses the international spacecraft fire detection and rescue techniques.