历史将要走完伟大的20世纪的最后五年，我们正处在人类历史上发生最大变化的20世纪的最后’时刻。20世纪是科学突飞猛进的时代，本世纪初叶创立的相对论、量子理论以及五十年代发现的生命DNA双螺旋结构的奥秘，在我们回顾本世纪科学成就的时候发现，这三大科学基本发现为20世纪 History will have to go through the last five years of the great 20th century. We are at the last moment of the 20th century, where the greatest changes have taken place in human history. The twentieth century was a time when science was making great strides. At the beginning of this century, the theory of relativity and quantum theory and the mystery of the DNA double helix structure of life discovered in the 1950s found that the basic findings of the three major scientific studies were 20 century