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据工业企业技术经济分析理论可知,经济评价包括财务评价(即企业经济评价)及国民经济评价(含社会评价)。财务评价主要是从企业角度进行企业盈利分析,国民经济评价则是从国家和社会角度进行国家盈利分析。“三下”采煤成果经济效益评价,在“建筑物、水体、铁路及主要井巷煤柱留设与压煤开采规程”中曾有过原则规定。现以1991年11月由中国统配煤矿总公司科技发展
According to the theory of technical and economic analysis of industrial enterprises, economic evaluation includes financial evaluation (that is, enterprise economic evaluation) and national economic evaluation (including social evaluation). The financial evaluation is mainly from the enterprise perspective of corporate earnings analysis, national economic evaluation is from the national and social perspectives for national profitability analysis. The evaluation of the economic benefits of the “three times” results of coal mining has been stipulated in principles of “coal pillar retention and pressure coal mining regulations in buildings, waterways, railways and major roadways”. Now in November 1991 by the China General Coal Mine Corporation technology development