本文还给出了一种简练的函数构造法，用该方法构造的函数能较好地逼近活动工期概率密度函数，方便了对计划网络图的计算机仿真运算。
It also gives a construction approach for approximating the probability density function of activity duration, which will facilitate the computer simulation of the PERT diagram.
文章选取工程项目中常用的网络图工期成本压缩优化法，来说明如何运用技术方法对工期成本进行优化。
This articles selects the optimization method of cost compression that commonly used in the project to illustrate how to use technical methods to optimize the cost of the construction period.
介绍了一种确定网络图关键线路的新方法——结点时差法。
This paper introduces a new method of determining the critical path of the network chart-node slack method.
作者对检修过程进行流程设计，提出利用甘特图、网络图编制进度安排，利用偏差分析法对进度进行分析。
Authors design the maintenance processes, compile the operation schedule by Gantt chart and network diagram and analyze the schedule by deflection analysis method.
最短初等链法是求解网络图最短路问题的通用算法，它突破了以往诸算法的局限性，适用范围广，具有广阔应用前景。
In respect to the shortest path problem of the weighed direct graph, the iterative method of minimum algebra is established.
最短初等链法是求解网络图最短路问题的通用算法，它突破了以往诸算法的局限性，适用范围广，具有广阔应用前景。
In respect to the shortest path problem of the weighed direct graph, the iterative method of minimum algebra is established.
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