最近二三十年世界经济发展 的一个最显著特点是，在 技术进步日新月异的条件下，世界范围内经济结构迅速调整。 经济结构主要包括产业结构、分配结构、消费结构和技术结构，其中产业结构起着决定性的作用。由于产业结构的调整和升级，不仅使经济发展速度加快，而且引起了社会生 One of the most notable features of the world economic development in the recent two or three decades is the rapid adjustment of the economic structure in the world under the conditions of rapid technological progress. The economic structure mainly includes the industrial structure, the distribution structure, the consumption structure and the technical structure, of which the industrial structure plays a decisive role. Due to the adjustment and upgrading of the industrial structure, not only has the economic development accelerated but also caused the social