A.相對(duì)誤差 B.絕對(duì)誤差 C.隨機(jī)誤差 D.系統(tǒng)誤差
A.80% B.85% C.90% D.95%
A.傳統(tǒng)活性污泥 B.A-B C.SBR D.氧化溝