短語(yǔ)詞組短語(yǔ)chromosome number abnormality 染色體數(shù)目異常chromosome trisomy abnormality 染色體三體異常chromosome numerical abnormality 染色體數(shù)目異常Y chromosome abnormality Y 染色體異常chromosome abnormality rate 染色體畸變率genetic chromosome abnormality 基因染色體異常numerical chromosome abnormality 染色體數(shù)目異常fetal chromosome abnormality 胎兒染色體異常chromosome abnormality trisomy 三體性染色體異常 返回 chromosome abnormality