A name given to an early warning and air defence control system covering the United States and Canada. Frequently attributive.
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| 单词 | θ161461 |
| 释义 | society > armed hostility > defence > [noun] > means of defence > specific defence system (4) SAGE1955 A name given to an early warning and air defence control system covering the United States and Canada. Frequently attributive. missile defence1971 a defensive system designed to repel enemy missile attacks, esp. by the use of anti-ballistic missiles; frequently attributive designating such a… Subcategories:— credibility of defence system (1) — weaknesses of defence system (1) |
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