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对国内外煤矿级差收益理论与方法进行了综述,并结合中国国有煤矿的具体情况,对现有的级差收益理论与方法进行了评价与探讨。
The theory and method of differential income of coal mines at home and abroad are reviewed. Combined with the specific conditions of China’s state-owned coal mines, the existing theory and method of differential gains are evaluated and discussed.