中科院院士何祚庥近日在《当代经济》杂志２０００年第１期撰文预测了中国２１世纪的几大趋势。一是到２０５０年 ,中国能源结构将转变为煤电、水电、核电各自三分天下有其一的局面。二是到２０５０年 ,中国已建成速度达每小时５００公里的高速铁路网络 ,并且修建时速达每小时 Chinese Academy of Sciences Ho 祚 庥 recently in the “Contemporary Economy” magazine in 2000 No. 1 article predicts several major trends in China in the 21st century. First, by 2050, China’s energy structure will be transformed into coal, hydropower and nuclear power, respectively, one-third of the world situation. Second, by 2050, China has built a network of high-speed railways at speeds of up to 500 kilometers per hour,