1. The ascertainment of foaming oil visbreaking system. 泡沫油降粘体系的确定。
2. 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；
3. 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。
4. Exclusionary Rule of illegal evidence means illegal evidence isn 't adopted as a basis of ascertainment of facts. 非法证据排除规则是指诉讼中的非法证据不得被采纳为认定事实的依据的规则。
5. The Chinese system of foreign law's ascertainment should be reconstructed because of its too principle and simple. 目前，我国的域外法查明制度过于原则、简单，亟待重构。
