An agreement at these six-party talks envisaged that pyongyang would give up its weapons and fissile material in exchange for supplies of fuel oil , food and , eventually , us security guarantees .
根据六方会谈协议构想,平壤将放弃核武器和核燃料,以换取燃油、食品供应,以及最终获得美国的安全保证。
Similarly , it has now been four years since north korea became a nuclear weapons state , yet south korea and japan have not followed suit , despite the fact that they have a latent nuclear weapons capability -- access to the fissile material necessary for nuclear weapons .
Because of its layered structure , mica is fissile .
因为是层状结构,云母很容易分成片。
In natural uranium , only seven nuclei in every 1000 are of this fissile sort .
在自然界的铀中,一千个原子中才有七个原子的核是这种易裂类型的。
The region of a nuclear reactor containing the fissile material where the reaction takes place .
包含反应发生的易分裂的物质的核反应堆的区域。
Yet mr obama is right to worry that pakistan 's warheads and fissile material could end up in the wrong hands .
然而奥巴马先生担心---巴基斯坦的核弹头和核燃料最终可能落到歹人之手--是有理由的。
Al-qaeda and other militant groups are known to be desperate to get their hands on fissile material or an assembled warhead .
人们知道,基地组织和其他激进组织都不顾一切地想把核燃料或者组装好的核弹头弄到手。
For the same reason , the united states seeks to begin negotiations as soon as possible on a fissile material cutoff treaty with appropriate monitoring and verification provisions .
基于同样的原因,美国在争取尽快就制定一项含有相应监督与核查条款的《裂变材料禁产条约》展开谈判。
And although the americans could bomb the north 's reactors , they do not seem to know where the regime hides its fissile materials and any bombs it has made from them .