abo血型分类法：一种人类血型分类方法，以红细胞上有无a和b两种抗原而分为四种血型。
Abo system: a classification system for human blood that identifies four major blood types based on the presence or absence of two antigens a and bon red blood cells.
abo血型分类法：一种人类血型分类方法，以红细胞上有无a和b两种抗原而分为四种血型。
Abo system: a classification system for human blood that identifies four major blood types based on the presence or absence of two antigens a and bon red blood cells.
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