Because of limitations of in vitro replication systems, studies of HCV pathogenesis have been limited to observation of natural infection of humans and experimental infection of chimpanzees.
由于受到缺乏体外复制系统的限制，HCV发病机理的研究还局限于HCV感染自然史的观察和黑猩猩的实验感染。
The experimental animal model has typical pathologic manifestation and good replication and can be used to study the effect of drugs.
该实验动物模型具有典型的病理改变和很好的重复性，可用于药效学研究工作。
He showed that the matter of fact was an artifact, the replication was a process of negotiation and the win of experimental method was closely related to the social interests.
他运用具体的案例分析表明实验产生的客观事实是一种人工产品，可重复性实验是磋商的过程，实验方法的胜利直接与社会利益相关。
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