pilot field test 先导试验
In pilot and field studies, test takers took both the existing TOEIC test and the new test. Statistical analysis of the results confirmed that the difficulty level of the two tests was equivalent.
在试验研究中，考生同时参加了现行托业考试和新托业考试，考试结果的数据分析表明两个考试的难度是相同的。
This article introduces the laboratory test, pilot production and field experiment of viscosity-reducer CT3-11.
本文叙述了降粘剂CT 3 - 11的室内研究、中试生产及现场试验内容。
The field pilot-scale test result shows that the process has good treatment effect, and the feasibility has also been verified.
现场中试结果表明该工艺处理效果良好，新工艺的工程可行性也得到了验证。
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