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by 张明
于井尧

ebook

科学技术是人类文明的重要组成部分，是支撑文明大厦的主要基干，是推动文明发展的重要动力，古今中外莫不如此。如果说中国古代文明是一棵根深叶茂的参天大树，中国古代的科学技术便是缀满枝头的奇花异果，为中国古代文明增添斑斓的色彩和浓郁的芳香，又为世界科学技术园地增添了盎然生机。