单词 | trace detector |
释义 | trace detector (once / 11819311 pages) n WORD FAMILY trace detector USAGE EXAMPLESIn a laboratory in Watford, just outside London, one of the most widely used scanners is on display - the IonScan 500, an explosive trace detector. BBC(Dec 04, 2013) Kennedy is trying out a new hand-held device called a portable trace detector that can sniff out pharmaceuticals. New York Times(Aug 27, 2011) n a screening device for traces of explosives; used at airline terminals Hyper detector, sensing element, sensor any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner |
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