When it announces its withdrawal from the nonproliferation treaty. 因其宣布退出核不扩散条约。
Days later, the DPRK announced its "automatic and immediate" withdrawal from the Nuclear Non-Proliferation Treaty. 几天之后,朝鲜宣布他们将主动并且立即退出国际无核扩散公约。
Withdrawal from the treaty implies that the United States intends to shake off the shackles of the treaty in order to push the research of anti-missile system from the laboratory to actual deployment phase. 退出该条约意味着美国欲摆脱此条约的束缚,以便将反导系统的研发从实验室推向实战部署阶段。