文章介绍了日层探测的概况和研究日层的意义，以及日地空间在空间环境预报中的作用，从日层事件探测实例分析了目前日地空间监测的不足。

In this thesis, general situation of detection and significance of research to heliosphere are introduced. Important function of solar-terrestrial space process in space environment prediction is discussed. Ability insufficiency in heliosphere detection is also analyzed.

都亨（1935－），男，浙江海宁市人，研究员，研究方向为空间环境