A . 1
B . 0
C . -1
D . 不存在
[单选题,配伍题] 羊水过少羊水指数临界值为()A . 8cmB . 5cmC . 19cmD . 10cmE . 12cm
[单选题]羊水过少羊水指数临界值为()A.8cmB.5cmC.19cmD.10cmE.12cm
[单选题]女性真性菌尿的临界值为()A .102/mLB .103/mLC .104/mLD .105/mLE .106/mL
[单选题]硫化氢的中毒临界值为()。A .10ppmB .50ppmC .25PPM
[名词解释] 临界值(cut-off值)
[单选题]景气指数的临界值()。A . 50B . 100C . 150D . 200
[单选题]酸雨的临界值是()。A.pH=6.0B.pH=10C.pH=5.6D.pH=4.0
[单选题]酸雨的临界值是()。A.pH=6.0B.pH=10C.pH=5.6D.pH=4.0