The difference of litigation model between two families of law makes a distinction between expert witness and lay witness in the fields of service target, dispatch, impanel and nature standing in litigation; 而两大法系诉讼模式的差异,使专家证人与鉴定人在服务对象、启动和选任以及在诉讼中的性质地位上存在较大的区别;
The first chapter of article distinguishes the expert witness, lay witness and expert, and points out the difference of expert witness and lay witness in the respects of foundation to bear witness, ways, qualification and substitution. 本文在第一章对专家证人与普通证人、鉴定人进行区别,揭示了专家证人与普通证人在作证基础、方式、资格和替代性上的差异。