3 activity duration estimating ? estimating the number of work periods which will be needed to complete individual activities 关系工期评估评估完成单个关系所需的工作时间的数量。
3.
3 activity duration estimating ? estimating the number of work periods which will be needed to complete individual activities 关系工期评估评估完成单个关系所需的工作时间的数量。