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中文摘要：
比较了12个日冕物质抛射（CME）事件，发现它们可以分为两类，其中分别是快速（〉1000kmfs）和慢速（≤800km／s）各6个事件，发现这2类CME事件分别对应于不同的多波段射电辐射类型和不同的日冕磁位形。本文定性地分析了这二个类型的射电爆发的产生过程，指出多重磁极和双磁极结构可能是分别产生二类CME和二类多波段射电爆发类型的原因，并涉及到“磁崩溃”模型与多重磁结构的关系。讨论了CME的不同速度可能是造成多波段不同射电爆发的主要因素，并指出快速或慢速的CME可能取决于日冕的多重或双重磁结构。
英文摘要：
12 Solar Coronal Mass Ejection （CME） events are compared. It is found that 6, out of 12 events, are fast （ 〉 1000 km/s） CMEs and 6, out of 12 events, are slow （ ≤ 800 km/s） CMEs. In particular, It is found that two types of CMEs are corresponding to the different types of multi-wavelength radio emissions, and to the different coronal magnetic configurations, respectively. In this paper, the producing processes of radio bursts with different types are analyzed qualitatively. The multi-polar and bi-polar magnetic structures are indicated, and they are likely to be the causes produced the two types of CMEs and the different types of muhi-wavelength radio burst, respectively. The correlation between the ＂magnetic breakout＂ model for CME initiation/flare triggering and the multi-polar magnetic structure is concerned. The different velocities of CMEs may be the key factor causing different types of multi-wavelength radio bursts, and the fast or slow CMEs may be attributed to the multi-polar or bi-polar coronal magnetic structures.
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