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。
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。
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。
The roles of alloying and trace elements in die-casting al, Mg, Zn and Zn-Al alloy and its research progress were surveyed. The problems in further developing die-cast alloy were analyzed.
叙述了合金元素和微量元素在压铸铝合金、镁合金、锌和锌铝合金中的作用及近年来取得的研究进展，分析了压铸合金有待进一步研究开发的问题。
This article describes the physical and chemical properties of chitosan and its application to blood coagulation research progress. And pointed out its still exist industrialization problems.
本文介绍了壳聚糖的物理化学性质及其用于血液凝固方面的研究进展，并指出了它在实现产业化方面还存在的问题。
EPON technology is discussed from several aspects, including its background, basic concept, main problems, standard progress and market analysis.
从推出EPON技术的背景、基本概念、要解决的主要问题、标准进展情况和市场分析等方面对EPON加以阐述。
The progress in protoplast and its application in fruit breeding are summarized, and the existing problems and application prospects are also discussed.
综述了近年来原生质体技术的研究进展及其在果树育种上的应用，并讨论了原生质体技术存在的问题及应用前景。
The asset managed companies have made a great progress in buying, managing and disposing the bad assets since its establishment although many problems and difficulties exist.
我国资产管理公司成立以来，在不良资产的收购、管理与处置方面取得了一定的成绩，但同时也面临着诸多困难与障碍。
The asset managed companies have made a great progress in buying, managing and disposing the bad assets since its establishment although many problems and difficulties exist.
我国资产管理公司成立以来，在不良资产的收购、管理与处置方面取得了一定的成绩，但同时也面临着诸多困难与障碍。
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