一、大规模技术与资金流入全面促进了产业结构的变动（－）技术贸易1979～1996年，全国共签订技术引进合同15591项，总金额731．82亿美元。在技术贸易合同金额的份额中，以电力工业为主体的能源工业、以石油化工为主体的化学工业和机电工业几乎并列首位，其次是冶金工业和电讯? I. Large-scale technology and capital inflow fully promoted the changes in industrial structure (-) Technology trade From 1979 to 1996, 15,591 contracts for technology import were signed nationwide, with a total amount of 73.18 billion U.S. dollars. Among the share of technology trade contracts, the energy industry with the power industry as the main body, the chemical industry with the petrochemical industry as the main body, and the electromechanical industry are almost the highest, followed by the metallurgical industry and telecommunications.