| 单词 | dew line |
| 释义 | > as lemmasDew line D.E.W. n. distant early warning; so Dew line (see quot. 1956). Π 1955 Times 18 Aug. 6/3 Two task forces, totalling 3,000 men, now on their way to the Arctic regions of Canada, will be employed in erecting more than 50 radar stations there as part of the distant early warning (D.E.W.) line. Seven radar stations are known to be working in Greenland, besides those incorporated in the two newer warning lines across Canada, named Mid-Canada and Pine Tree. 1956 W. A. Heflin U.S. Air Force Dict. 165/1 Dew line, a line of radar stations at about the 70th parallel on the North American continent, financed by the American government but undertaken in cooperation with the Canadian government. 1957 P. Frank Seven Days to Never ii. 53 The DEW line—the Distant Early Warning radar and interceptor net stretching from Alaska to Greenland. < as lemmas |
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