下图1和图2是人体免疫调节的模式图请据图回答1图中能够特异性识别抗原的细胞有 2使细胞c增殖分化有两种信号刺激一种信号是 另 Template




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tomski下图1和图2是人体免疫调节的模式图请据图回答1图中能够特异性识别抗原的细胞有 2使细胞c增殖分化有两种信号刺激一种信号是 另 coloring