And before that, the relative theory and solution steps are expatiated in this paper. Concequently, the initial optimization model of ironstone resource utilization in CISC is put forward on the basis of original system.

• 在建立优化模型之前,从理论上阐述线性规划问题的相关知识及求解步骤,为重钢利用两种铁矿石资源最优化模型奠定理论基础。