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单词 DEW line
释义 DEW line
 /dooh, dyooh/
 a 3000-mi. (4800-km)-long network of radar stations north of the Arctic Circle, maintained by the U.S. and Canada for providing advance warning of the approach of hostile planes, missiles, etc.
 [1955-60; D(istant) E(arly) W(arning)]
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更新时间:2024/12/23 18:14:34