Wang Tieshan,Ding Jingjie,Cheng Rui,et al. Potential Sputtering of Highly Charged Ions on Copper and Tungsten Surfaces[EB/OL]. Beijing:Sciencepaper Online[2010-12-10]. http://www.paper.edu.cn/releasepaper/content/201012-342. 此文件来自 中国科技论文在线 请勿作用于商业用途!