中国从 2 0世纪 80年代末就筹划京沪高速铁路建设 ,“十五”建设规划明确规定开工修建 ,然而“十五”头两年快要过去了 ,业内在采用轮轨高速铁路还是磁悬浮高速列车问题上却争论不休。西南交大教授、两院院士沈志云认为 :“1 30 0 km的京沪线采用磁悬浮技术不现实 ,因为国外磁 China planned the construction of the Beijing-Shanghai high-speed railway from the late 1980s. The construction plan for the 10th five-year plan explicitly stipulates that the construction of the Beijing-Shanghai high-speed railway will begin. However, the first two years of the Tenth Five-year Plan are almost over. Whether the high- The issue is endless debate. Southwest Jiaotong University Professor Shen Zhiyun academicians of both houses, said: "1 300 km Beijing-Shanghai line using magnetic levitation technology is unrealistic because of foreign magnetism