A.質(zhì)量指標(biāo)指數(shù) B.數(shù)量指標(biāo)指數(shù) C.平均指數(shù) D.個(gè)體指數(shù)
A.0~50 B.0~100 C.0~200 D.0~1000
A.2 B.3 C.5 D.8