The nuclear reaction is calculated using intra-nuclear cascade model.

核反应过程采用核内级联模型。

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The third reason for our deterrent is that it would prevent a cascade of proliferation because of the nuclear umbrella that the United States provides for over thirty-one countries, including many with the technology and resources for the development of nuclear deterrence on their own.

CENTERFORSECURITYPOLICY: Senator Kyl on nuclear deterrence

However, the cascade of vitriol, as well as the underlying nuclear program, demonstrates that the regime recognizes and fears American power.

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