A.fcu,cor,m+k2Scor B.fcu,e1+k2Scor C.fcu,e1-k2Scor D.fcu,cor,m-k2Scor
A.0.90 B.0.95 C.0.80 D.0.85
A.計算得到 B.試驗得到 C.查表得到 D.根據(jù)經(jīng)驗得到