The reliability of designing and evaluation method proposed in the article is approved by the practice of underground gas storage construction.
通过建设实践，证实了文中提出的设计及评价方法的可靠性。
So assessing and designing activities should be placed much importance in textbooks evaluation.
练习的评估和设计应是教材评价活动中重要的一环。
It provides basis for designing landfill gas control system and evaluation of environment, finds a new way for study of underground seepage problem such as mine gas and oil contamination.
这为填埋气控制系统的设计以及环境影响预测和评价提供了理论依据，为研究煤层气、石油污染等地下渗流问题开辟了一条新的途径。
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