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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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更新时间:2025/1/11 13:23:37