To reduce nuclear arsenals, President Medvedev and I signed the historic new START treaty —- not only committing our two nations to significant reductions in deployed nuclear weapons, but also setting the stage for further cuts and cooperation between our countries.

为了减少核库存，梅德韦杰夫总统和我签署了历史性的《削减战略武器新条约》——不仅要求我们两国承诺对已部署的核武器进行实质性削减，而且为两国进一步削减与合作打下基础。

To move beyond outdated Cold War thinking and to focus on the nuclear dangers of the 21st century, our new Nuclear Posture Review reduces the role and number of nuclear weapons in our national security strategy. And for the first time, preventing nuclear proliferation and nuclear terrorism is at the top of America’s nuclear agenda, which reaffirms the central importance of the Nuclear Non-Proliferation Treaty.

为了摆脱过时的冷战思维，着眼于21世纪的核危险，我们新的《核态势评估报告》降低了国家安全战略中核武器的作用和数量。我们在历史上第一次把防止核扩散及核恐怖主义置于美国核议程的首位，再度肯定了《不扩散核武器条约》的核心重要性。

And next month in New York, we will join with nations from around the world to strengthen the NPT as the cornerstone of our global efforts to prevent the spread of nuclear weapons even as we pursue greater civil nuclear cooperation. Because for nations that uphold their responsibilities, peaceful nuclear energy can unlock new advances in medicine, in agriculture, and economic development.

下月在纽约，我们将联合世界各国，加强《不扩散核武器条约》，使之成为我们在进一步开展民用核能合作的同时在全球防止核武器扩散的基石。这是因为，对恪守己任的国家来说，和平利用核能可以促进医学和农业的进步以及经济的发展。

All of these efforts are connected. Leadership and progress in one area reinforces progress in another. When the United States improves our own nuclear security and transparency, it encourages others to do the same, as we’ve seen today. When the United States fulfills our responsibilities as a nuclear power committed to the NPT, we strengthen our global efforts to ensure that other nations fulfill their responsibilities.

所有这些努力都是相互关联的。一个领域的领导作用和进步会强化另一个领域的进步。正如今天我们看到的情况，当美国提高自己的核安全和透明度，就会鼓励其他人也这样做。当美国作为致力于遵守《不扩散核武器条约》的核国家履行自己的义务，就会加强我们确保其他国家尽职尽责的全球努力。

So again, I want to thank my colleagues for making this unprecedented gathering a day of unprecedented progress in confronting one of the greatest threats to our global security. Our work today not only advances the security of the United States, it advances the security of all mankind, and preventing nuclear proliferation and nuclear terrorism will remain one of my highest priorities as President.

因此，我要再次感谢我的同事们把这次史无前例的聚会变成我们在应对全球安全最大威胁方面取得前所未有的进展的一天。我们今天的工作不仅增进了美国的安全，还增进了全人类的安全。在我的总统任期内，防止核扩散和核恐怖主义将始终是我的首要任务之一。


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