下列关于免疫的叙述正确的是 � 淋巴细胞只有受到抗原刺激后才能形成效应细胞和记忆细胞 � 抗原不仅可以和相应的抗体结合也和产生抗体的效应 Template




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tomski下列关于免疫的叙述正确的是 � 淋巴细胞只有受到抗原刺激后才能形成效应细胞和记忆细胞 coloring