Objective: To study the graphical method for goal programming problem whose goal function has multi-deviation variables in the same priority level.
目的：研究了对目标函数中同一优先级内含有多个带权偏差变量的目标规划问题的图解方法。
In this paper, we revise the graphical method by means of the Shortest path algorithm, and obtain two variants which are pseudo-polynomial algorithms.
本文利用最短路算法修订了图上作业法，得到了两个拟多项式算法。
The graphical method of various situations for binary mixture com-plex distillation has been given.
本文给出了二元混合物复杂精馏过程的各种情况的图解法。
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