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2010年4月8日,美国总统贝拉克·奥巴马与俄罗斯总统德米特里.梅德韦杰夫签署了美利坚合众国与俄罗斯联邦之间关于进一步削减和限制战略性进攻武器的条约,规
On April 8, 2010, U.S. President Barack Obama and Russian President Dmitry Medvedev signed the Treaty between the United States of America and the Russian Federation on the further reduction and restriction of strategic offensive weapons.