1. Polyclonal antibodies are produced when different B cells recognize and bind to different epitopes on an antigen.

多克隆抗体是由不同的B细胞识别并结合抗原上的不同表位产生的。

2. Polyclonal T cell activation is a common immune response to various infections and inflammatory conditions.

多克隆T细胞激活是对各种感染和炎症状况的常见免疫反应。