1、 The article probes into the ascertainment rules on the witness testimony and expert conclusion in detail.
文章探讨了证人证言和鉴定结论这两种证据的具体认定规则；
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2、 The conclusion is significant as the reference to the ascertainment and optimization of the system parameters.
该结论对同类系统的参数确定和优化有一定参考意义。
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