A.LFR B.HFR C.相對(duì)值 D.絕對(duì)值 E.生成指數(shù)
A.5mg/L B.10mg/L C.50mg/L D.80mg/L E.100mg/L
A.C/d B.C/d2 C.C/logd D.logC/d E.logC/logd