网络图有多种表示方式，最常见的有双代号网络(activity-on-arrow network, aoa)和单代号网络(activity-on-node network, aon)，其中双代号网络在国内工程...
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Activity-on-Arrow for Time coordinating Network 双代号时标网络计划技术
In the activity-on-arrow network, there are essential differences between positive activity and dummy activity.
双代号网络图中，虚工作和实工作有着本质的区别，其主要作用是传递工作之间的逻辑关系。
With the demonstration and comparison of activity-on-arrow network and time-scaled network in this paper, proper conclusion is expected to drawn.
文章通过对双代号网络、单代号网络及时标网络的对照及论证，得出虚工作的时间参数可以不计算的结论。
In view of activity-on-arrow network drawing difficultly, describes the methods of determine the dummy arrow. It will enable the rapid and accurate drawing.
针对双代号网络图绘制困难的问题，介绍了绘图时虚箭线的判定方法，有利于快速、准确地成图。
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