不需要。但我有一个评论，不仅对WBS最后一级作业输入进度，对所有作业输入进度。

Not required. But I have a comment, input progress to all activities, not only to last level of WBS.

youdao

只需要输入各作业的工期和作业间的关系。然后进行进度计算。

Input duration of each activity and relationships between activity. Then schedule the project.

youdao

只需要输入各作业的工期和作业间的关系。然后进行进度计算。

Input duration of each activity and relationships between activity. Then schedule the project.

youdao