下世纪的产业发展，是个很大的题目。在科技发展如此快速、科技与经济关系日趋紧密的今天，要做出准确的预测非常困难，甚至是不可能的，这里只能探计一些趋势，并且只限于三次产业分类法加上对高技术产业的分析。三次产业的变化任何预测都要了解过去，从历史和现实出发。我们 The development of the industry in the next century is a big issue. With the rapid development of science and technology and the increasingly close relationship between science and technology and the economy, it is very difficult or even impossible to make accurate forecasts. Only some trends can be explored here and only three industrial taxonomies plus the high-tech Industry analysis. Three changes in the industry Any prediction must understand the past, starting from history and reality. we