nuclear deterrent
US /ˌnuː.kli.ər ˈdet.ər.ənt/
UK /ˌnuː.kli.ər ˈdet.ər.ənt/
1.
核威慑
a nuclear weapon or weapons system that is intended to deter an enemy from attacking by the threat of retaliation.
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The country's nuclear deterrent is a key part of its defense strategy.
该国的核威慑是其防御战略的关键组成部分。
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Maintaining a credible nuclear deterrent requires significant investment.
维持可信的核威慑需要大量投资。