At the same time, US officials deny that their country’s missile-defense programs are directed against Russia or China, but refuse to offer a legally binding guarantee. And the US Department of Defense is developing a robust program of long-range conventional strike weapons, which China and Russia cite to justify their efforts to strengthen their offensive nuclear forces.
同时美官员否认其导弹防御计划针对俄中两国，但却拒绝做出有约束力的保证。美国防部正在实施一项全方位远程常规打击武器计划，而中俄两国则借口该计划加强自身的核进攻力量。