海洋在人类文明的历史发展中起着非常重要的作用,这种作用随着人类征服自然能力的提高而不断加大。在科学技术尚不发达的古代社会,人们要想用有限的知识结构与简单的操控手段去认识和征服海洋,那是极端困难的事情。因此,唐以前 The ocean plays a very important role in the historical development of human civilization. This role has been continuously enhanced as mankind conquers the natural ability. In the ancient society where science and technology were not yet developed, it was extremely difficult for people to understand and conquer the sea with a limited knowledge structure and simple manipulation. Therefore, before Tang