1·America negotiated with Canada on the question of "Canada equips nuclear warhead".
美国和加拿大就“加拿大装配核弹头”问题开始谈判。
2·Scientists will soon be able to observe the first instants after a nuclear warhead detonates.
科学家不久将能观察到核弹头爆炸的第一瞬间。
3·Besides, how else are we going to deliver a nuclear warhead to the center of an incoming asteroid?
此外，要把一个核弹头送入抵近的小行星中心时还能怎么办呢？
4·Moscow's was crude, but effective: a lumbering orbiting nuclear warhead that would detonate close to an enemy satellite.
莫斯科的办法蠢笨但是有效：一个粗陋的轨道核弹头在敌方卫星的附近爆炸。
5·Some reports claimed that at least one of these test launches was carried using a nuclear warhead, but this cannot be confirmed.
一些报告宣称至少在这些测试发射中的一次携带使用一枚核弹头，但是这不能够确认。
6·The annexe said Iranian scientists had engaged in "probable testing" of explosives arranged in a hemisphere, which is how an implosion-type nuclear warhead is triggered.
这份附件称，伊朗科学家可能已经进行了一项在半球内的爆炸测试，这正是内爆型核弹头引爆的方式。
7·It says U.S.-sponsored security upgrades have been completed for 75% of the buildings that contain weapons-grade material and for about 65% of Russia's nuclear warhead sites.
据称由美国发起的安全提升已经摧毁百分之七十五的包含武器原料的建筑物和百分之六十五的俄罗斯核弹头基地。
8·Many of those questions remain in this still highly classified environment, where today nuclear warhead parts are dismantled and refurbished and bomb-grade uranium is stockpiled.
许多像这样的问题仍然存在于这个平静被高度分类的环境中，在那里核弹头零件今天被拆除并且被再磨光，并且炸弹品级铀仍被储备。
9·He needs to disarm a lost nuclear warhead (technology as danger), and while he is successful, he does not have enough oxygen left in his suit to return to Deep Core (technology as inadequate).
他的任务是找到失踪的核弹头并拆除上面的引信（反映了技术之危险），虽然后来任务完成，潜水衣中的氧气却不足以支撑他重新返回钻台了（反映了技术之不足）。
10·Each deployed heavy bomber equipped with nuclear arms counts as just one warhead, and both countries have already been cutting above their current treaty obligations.
每架已部署的挂载核武的重型轰炸机只算一个核弹头，而目前两国各自已经在削减的核武数量，超出它们当前的条约义务。