1981年4月经济合作与发展组织对于参加国际经济协会(以下简称 IEA)成员国的节能现状和展望提出了书面报告如图1所示,IEA各国国民经济总产值平均一次能耗从1973年到1979年减少了8%。同期国民经济总产值平均石油消耗减少11%。从现在起到 In April 1981, the Organisation for Economic Co-operation and Development submitted a written report on the status and prospects of energy conservation in the member countries participating in the International Economic Association (hereinafter referred to as IEA). As shown in Figure 1, the average energy consumption of the national economy of the IEA countries went from 1973 to the average. In 1979 it decreased by 8%. In the same period, the average oil consumption of the national economy decreased by 11%. From now on