A.直接加和式環(huán)境質(zhì)量指數(shù)之間接加和式環(huán)境質(zhì)量指數(shù)
B.加權(quán)加和式環(huán)境質(zhì)量指數(shù)與累計(jì)加和式環(huán)境質(zhì)量指數(shù)
C.累計(jì)加和式環(huán)境質(zhì)量指數(shù)與間接加和式環(huán)境質(zhì)量指數(shù)
D.直接加和式環(huán)境質(zhì)量指數(shù)與加權(quán)加和式環(huán)境質(zhì)量指數(shù)