This paper highlights the successful application of ion microprobe to a variety of research areas in cosmochemistryand geochemistry, and reports 26 major and trace element sen.

详细叙述了离子探针的工作原理以及微量元素成分和同位素组成的测试方法,列举了其在天体化学和地球化学研究领域的主要应用,总结了一系列的研究成果,并首次公开发表离子探针微量元素测试技术研发工作中取得的一些实验结果。

This paper discusses the implication of some significant achivements which have been made in recent years on cosmochemistryto the origin and evolution process of the Earth.

以近几年天体化学研究取得的一些重要成果，论述了对于认识地球的起源和演化进程的重要意义。

The paper introduces the concepts and characteristics of near space and near space vehicle,discusses the development status and trend of near space vehicle,analyzes application future of near space vehicle,and studies the relation between near space vehicle and air-and-space integration.

介绍了临近空间及临近空间飞行器的概念与特性,论述了临近空间飞行器的发展现状和趋势,分析了临近空间飞行器的应用前景,对临近空间飞行器与空天一体化的关系进行了探讨。