编者按：很快，我们将迎来中华人民共和国成案印年的光辉纪念日。有目共睹，50年来，中国发生了翻天覆地的变化。可以说，这50年中国人民物质文化生活发展之快、变化之大不仅令我们自己吃惊，也令世界瞠目。当我们惊叹这一巨变时，谁也不会否认，推动着这一切的力量就是科学技 Editor's Note: Soon, we will celebrate the glorious anniversary of the completion of the People's Republic of China. It is obvious to all that over the past 50 years, tremendous changes have taken place in China. It can be said that in the past 50 years, the material and cultural life of the Chinese people has developed rapidly. The great change has not only surprised us, but also made our eyes on the world. When we marvel at this great change, no one will deny that the power that drives all this is science and technology