The part one has introduced the Cross Examination institution of the Anglo-American countries, which includes the concept, procedure, main regulations, different modes and its practical situation.
本文第一部分对英美法系国家的交叉询问制度进行了概述，包括交叉询问的概念、运作程序、 主要规则以及交叉询问制度的不同模式及其在国外的运行状况。
Improving the initiation criterion, the restriction of qualification and the cross-examination procedure on expert witness system helps judges find out the technical dispute.
具体而言，通过完善专家证人的启动条件、资格限制、质证程序等来实现其应有的协助法官查明技术性争议点的功能；
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