从近年科技投入变化看美国科技政策的变化

美国能够成为世界头号科技大国，其科技政策功不可没。近年来，美国不断调整其科技政策以保证站在世界的最前列，这可以从美国在科技中投入的不断变化看出来。本文基于冷战结束至今美国在科技中投入的变化，分析了美国科技政策十几年来的变化特点。

Analysis for Changes of S&T Policy in U.S.From Changes of S&T Investment

With great contributions of S & T policy, the United States stands the first position in S & T in the world. From the changes of S & T investment in late decade, it can be found U.S. altered its S & T policy continuously to assure its position. In the paper, the changes of S & T policy in U.S. is analyzed based on changes of investment in S & T.