长期边际成本 meaning in English

long-range marginal cost
long-run marginal cost

Long run marginal cost
长期边际成本
First , this paper introduces the fundamental theory of power market , presents the component part and rules of power market , gives the basic methods of price calculation , including the embedded cost method , long run marginal cost method and spot price
本文首先全面介绍了电力市场的基本情况，给出了电力市场中各组成部分和市场中的一些基本原则，给出基础电价计算的一般方法：综合成本法、长期边际成本法和实时电价法。