This paper made a study of the relationship between the coal price and the quantities of supply and demand,building a model of optiomal control of regional coal price.
用控制理论研究了煤炭价格供给量和需求量之间的关系，建立了区域煤炭价格的最优控制模型。
参考来源 - 区域煤炭价格最优控制If the coal price is very high, enterprise will over fulfill under the stimulation of profit, and ignore safety.
如果煤炭价格很高,企业就会在利润的刺激下超产,忽视安全。
参考来源 - 矿难发生的原因及其治理措施的经济学分析·2,447,543篇论文数据，部分数据来源于NoteExpress
煤炭价格升的很快。
Along with the coal price stability, the increase of competitiveness of enterprises, increasing profits mainly relies on lowering costs.
随着煤炭售价的基本稳定，企业竞争力的提高，增加盈利主要依靠降低成本。
Coal price computation method and competitor index are mainly introduced. The coal price and competitor index of Sichuan power system are given.
本文重点介绍了煤炭计算价格的计算方法及替代电站指标，并提出了四川电力系统煤炭价格及替代电站指标。
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