本文针对攀钢钢铁产品销售价格的组成，进行了理论分析和研究。
By way of mathematic analysis and extremum method, and the curves expressing the functions of sales price curve and the sales volume are determined reasonabl.
本文针对攀钢钢铁产品销售价格的组成，进行了理论分析和研究。
By way of mathematic analysis and extremum method, and the curves expressing the functions of sales price curve and the sales volume are determined reasonabl.
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