如何利用最小的资源消耗取得理想的产量要求,是本文讨论的重点问题。文章采用两种方法——贪心法和线性规划建立模型，针对两个目标进行安排。(How to make use of the minimum resource consumption to achieve the desired output requirements is the key issue discussed in this paper. In this paper, two methods, greedy method and linear programming, are used to build models and arrange the two objectives.)