4. Acknowledges the contribution that the United States of America and the Russian Federation have made to nuclear disarmament by reducing their deployed strategic warheads by about half since the end of the cold war;
4. 又认识到美利坚合众国和俄罗斯联邦自冷战结束以来裁减了约半数部署的战略弹头对核裁军所作出的贡献；