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本世纪四十年代,特别是第二次世界大战结束以后,由于科学技术的高度发展,知识以空前的速度迅速积累,出现了所谓“知识爆炸”现象,新知识的巨流象潮水一样涌来。目前,在世界范围内,学科已有两千之多。学术刊物约在十万种以上。学术资料堆积如山,大量的知识,使学习者的大脑无法容纳。有人估计,一个科学家就是日以继夜地工作,也只能浏览当代期刊中有关的一小部分。伴随知识急骤增长而来
In the 1940s, especially after the end of the Second World War, due to the rapid development of science and technology, the rapid accumulation of knowledge at an unprecedented rate led to the so-called “explosion of knowledge.” The huge stream of new knowledge flooded the tide. At present, there are over two thousand disciplines in the world. Academic publications about more than one hundred thousand. Academic materials pile up, a lot of knowledge, so that the learner's brain can not accommodate. Someone estimates that a scientist works day and night and can only browse a small part of contemporary journals. With the rapid growth of knowledge come