A study on the limits for installing mechanical ventilation in railway double track tunnels in operation has been conducted. Both numerical methods and field tests were used in the study.
目前我国内燃牵引双线铁路隧道还没有设置机械通风的界限，针对这种情况，本文采用数值计算方法，结合现场试验，并根据TB1912-87的卫生标准，对设置机械通风的界限进行了深入的研究。
参考来源 - 内燃牵引双线铁路隧道设置机械通风的界限The field tests in Block Ying-543 in Shengli Oilfield reveal that the property of VES-SL system is better than that of HPG fracturing fluid. The system increases oil production.
胜利油田营543区块现场试验效果对比表明,VES-SL压裂液的性能明显优于HPG压裂液,取得了良好的增油效果。
参考来源 - 黏弹性表面活性剂压裂液流变性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： field trial
同义词： field-test
以上来源于: WordNet
Laboratory and field tests have been conducted.
已进行实验室试验和现场试验。
He reckons that the forthcoming field tests will be the turning point — and he's hoping for good news.
他认为即将进行的实地试验将是一个转折点，他希望有好消息。
Ingham says EPA officials had told her that the organism was approved for field tests, but says she has few details.
英格汉姆说，环保署官员曾告诉她，这种微生物已获准进行实地试验，但她说，她没有掌握多少细节。
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