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简述了有关ＭｅＶ微集团离子束与物质表面相互作用研究的概况．介绍了在北京大学技术物理系和重离子物理所１．７ＭＶ串列加速器上开展的有关实验研究及取得的初步结果．
An overview of the interaction between MeV micro-cluster ion beam and the surface of the material is briefly described. The experimental results and preliminary results of 1.7MV tandem accelerator at Peking University Department of Technical Physics and Heavy Ion Physics are introduced.