To reduce the risk of power supply interruption that customers at demand side may be faced with, a method of leading insurance theory in and establishing insurance policy is proposed.
为降低电力需求侧用户所面临的停电风险而引入了保险理论并提出了建立保险单的方法，大用户可对停电损失进行投保以达到降低风险、保证电能质量的目的。
Reagan based his economic program on the theory of supply-side economics, which mandated reducing marginal tax rates to encourage people to work harder and longer.
里根的经济纲领是以供应经济学为基础的，主张降低边际税率以鼓励人们努力工作并增加劳动时间。
Reagan based his economic program on the theory of supply-side economics, which mandated reducing marginal tax rates to encourage people to work harder and longer.
里根的经济纲领是以供应经济学为基础的，主张降低边际税率以鼓励人们努力工作并增加劳动时间。
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