２０世纪下半叶，２１世纪上半叶，是千年之交。这一时代，是一个非凡的时代。从２０世纪８０年代开始，人类社会发生了新的产业革命。它预示着继农业经济、工业经济时代之后，又一个新的知识经济时代的到来。从人类历史来说，类似的产业革命或生产力大革命，几百年、几千年甚 The second half of the twentieth century, the first half of the 21st century, is the turn of the millennium. This era is an extraordinary era. Since the 1980s, a new industrial revolution has taken place in human society. It indicates that after the agricultural economy and industrial economy era, another new era of knowledge economy will come. From the history of mankind, a similar industrial revolution or the revolution of productive forces, hundreds, thousands of years