1 _3 {; w6 A- I- V$ x# d2010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。 0 b0 z; n' s0 T7 ^. }there 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.