Precise Radio Source Positions from Mark III VLBI (Ma+ 1990) C H Ma,D B Shaffer,Ch De Vegt,K J Johnston, J L Russellmag(1998)引用 23|浏览5暂无评分关键词reference frame,standard errorAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要