描述:(脱氧核糖核酸)间世以来,二十世纪下半叶人类认识世界和改造世界,最富有创造性的科学领域的第四次大革命,其覆盖面广及自然科学与社会科学的各个领域,正促使整个现代知识体系成为新科学,Takens定理给出了数据嵌入技巧的理论保证.|Prediction, As a basis of human activities,is p1aying a more and more important role in our world.People has successfully developed the method of prediction in the fields of nature, society and economics etc.