加权总指数的“理想公式”是指()。
A、拉氏公式
B、固定加权公式
C、几何平均公式
D、加权调和公式
E、费暄公式
参考答案:C, E
Which of the following choices indicates that your project is 9% under budget ?()
A.The cumulative AC was 100, and the cumulative EV was 110
B.The cumulative PV was 100, and the cumulative AC was 110
C.The cumulative AC was 110, and the cumulative EV was 100
D.The cumulative EV was 100, and the cumulative PV was 110