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【单选题】
下列有关沉淀反应第一阶段的说法,哪错误的A.
肉眼见不到免疫复合物
B.
几秒钟至几分钟内即完成
C.
出现肉眼可见的沉淀线或沉淀环
D.
抗原抗体的特异性结合
E.
可用散射比浊测定反映结果
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