科教治省　振兴山西李晓辉自改革开放以来，我省发生了很大变化，但我省经济却发展缓慢，原因是多方面的。煤炭产量超过了亿吨，对国家贡献很大，但由于资源约束型产业效益不高，产业单一的重型结构，制约了财政收入，多数大中型企业的设备、技术、产品普遍老化，后劲不足... Since the reform and opening up, great changes have taken place in our province, but the economy in our province has been developing slowly for many reasons. Coal production has exceeded 100 million tons and contributed greatly to the country. However, due to the low efficiency of resources-constrained industries and the heavy industry-single structure, fiscal revenue has been restricted. Most large and medium-sized enterprises generally wear out their equipment, technologies and products with insufficient staying power. ..