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一、合理煤价数学模型的建立笔者认为,合理煤价应满足两个条件:一是能获得合理的投资利润率;二是应具有足够的还贷能力,能按期归还投资贷款本息。用式表示为
First, the establishment of a reasonable coal price mathematical model The author believes that reasonable coal prices should meet two conditions: First, access to a reasonable rate of return on investment; Second, there should be sufficient repayment ability to repay the principal and interest of investment loans on schedule. Expressed as