At the task design stage, test specifications facilitate the operation of different facets of validity in practical terms.
在设计与实施阶段考试规范有助于效度各个要素的具体操作和实现。
In this paper, taking the case of Harbin subway first-stage project as examples, the site operation, results analysis and application of preboring lateral loading test in metro project are introduced.
本文通过哈尔滨地铁一期工程的实例，介绍了预钻式旁压试验在工程中的现场操作，成果分析及应用。
The improvement test of typical two-stage up-flow biological aerated filter(UBAF) with ceramsite was performed using the characteristics of different flow BAFs and the optimized backwash operation.
利用不同流向BAF反应器的特性以及优化反冲洗操作，对典型的两级上向流陶粒曝气生物滤池工艺进行改进试验。
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