Project()is an uncertain event or condition that if it occurs has a positive or a negat

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Project()is an uncertain event or condition that ,if it occurs ,has a positive or a negative effect on at least one project objective ,such as time ,cost ,scope or quality()A. risk B. problem C. result D. data

热搜:n维列向量组a1,an-1线性无关,且与非零向量正交