In this paper, the progress and its applications of the projects are introduced about the major research plan "Some Key Fundamental Problems of Aerospace Flying Vehicles".

本文介绍了重大研究计划“空天飞行器的若干重大基础问题”资助项目所取得的一些研究进展及成果应用情况。

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This paper discusses the purposes and significance of research of ECAP, the principle of ECAP, its progress in research and its five problems urgent to be solved.

本文阐述了ECAP的研究目的与意义，说明了ECAP的原理，探讨了ECAP的国内外研究现状及进展，指出了ECAP急待解决的五大问题，具有较好的实用价值。

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This paper reviews developments of emergency system, including its development and applications. Comments on existing problems and trends of progress are discussed.

综述了目前应急系统的设计开发和应用，讨论了应急系统存在的问题及其发展趋势。

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Bhattacharya says it's too easy to overlook Bangladesh's progress and to blame all of its problems on the leading ladies.

NPR: Upheaval Marks Another Election in Bangladesh

Duke says Mr. Johnson's management style clashed with its culture and he failed to resolve problems at Progress's nuclear operations, among other issues.

WSJ: Duke Energy Confronts a Lack of Trust