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一、引言十多年来，我国节能工作取得了很大的成绩，这对我国国民经济持续高速发展起到了重要作用。但是与国际先进水平相比，我国的能耗水平仍然很高。造成这一问题的原因是多方面，有技术水平、产业结构、能源管理水平、能源价格等因素。但是对于能源品种结构这一影响因素一?
I. Introduction Over the past decade or so, great achievements have been made in energy conservation in our country, which has played an important role in the sustained and rapid development of our national economy. However, compared with the international advanced level, our country’s energy consumption level is still high. The reasons for this problem are many factors, such as technical level, industrial structure, energy management level and energy price. However, the impact of energy structure of a variety of factors?