3 u4 R6 L/ C/ N2010年核评估报告里表示,美国的核弹仍然可以用于威慑对美国及盟友的常规打击,这里面的法律后面还是存在的。 ( z/ G& a+ k- rthere remains a narrow range of contingencies in which U.S. nuclear weapons may still play a role in deterring a conventional or CBW attack against the United States or its allies and partners.