| 单词 | explosive trace detection |
| 释义 | explosive trace detection (once / 11819311 pages) n WORD FAMILY explosive trace detection USAGE EXAMPLESAfter years of screening checked bags, it last year introduced explosive trace detection equipment at the security checkpoints where passengers pass into the boarding area. Wall Street Journal(Mar 30, 2016) n a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives Syn|Hyper ETD system instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity |
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