核武器拥有者以使用核武器来胁迫对方屈服，借以推行其政策意志nuclear deterrent

• 对巴基斯坦进行有效的“核威慑”

  exercise an effective nuclear deterrent against Pakistan

• 拦截导弹的能力提高，可能进而增强其核威慑能力。

  An enhanced ability to intercept missiles could further boost its nuclear deterrent capabilities.