The()technique involves using project characteristics in a mathematical model to predict total project cost. Models can be simple or complex.
A.costaggregation
B.reserve analysis
C.parametricestimating
D.funding limit reconciliation
A.異常子宮出血
B.IUD及宮內(nèi)異物定位,試取
C.宮腔黏連
D.以上均是