该方法只需计算出结点最早开始时间和最迟结束时间，便可确定出网络图的关键线路。

This method only needs computing the earliest start -time and the lastest finish-time of the node. Thus you work it out.

youdao

该方法只需计算出结点最早开始时间和最迟结束时间，便可确定出网络图的关键线路。

This method only needs computing the earliest start -time and the lastest finish-time of the node. Thus you work it out.

youdao