A.WBS(WorkBreakdownStructure).
B.costbenefitanalysis.
C.requirementsspecifications.
D.narrativedescriptionoftheworktobeaccomplished.
参考答案:D
A.WBS(WorkBreakdownStructure).
B.costbenefitanalysis.
C.requirementsspecifications.
D.narrativedescriptionoftheworktobeaccomplished.
参考答案:D