Nuclear bombs are humankind's most powerful weapon, but their destructive impact would unlikely alter the spinning of the Earth on its axis.
核弹是人类最强大的武器，但是它们的破坏性影响还不大可能改变地球沿着其轴线的自转。
We think it might be underestimating the tenacity of those who would seek nuclear material for a weapon.
我们认为这可能低估了那些寻求核原料制造武器的人的坚韧程度。
Third, he must reach an accommodation with Iran that acknowledges its place as a regional power while dissuading it from getting a destabilising nuclear weapon.
第三，他必须与伊朗进行和解，一方面承认其区域性强国的地位，一方面劝其放弃造成不稳定因素的核武器研究。
They have done nothing to reassure the international community that they are prepared to comply with the NPT or stop their progress toward a nuclear weapon.
他说：“他们没有做出任何行动来向国际社会保证他们将遵循《不扩散核武器条约》，或者他们会停止制造核武器的进程。”
A normal person thinks about the gruesome and tremendous destruction that a nuclear weapon would wreak, and thinks-reasonably-that no one could court such a fate.
对于一个普通人来说，当想到核武器时，会想到的是它所能带来的可怕的巨大破坏力，并理所当然的认为，不会有人愿意接受这样的一种命运。
The nuclear weapon States should take all necessary steps to avoid accidental or unauthorized launches of unclear weapons.
核国家应采取一切必要措施以避免意外发射或未经授权的发射。
The navy would not need to use a nuclear weapon, Clinton said, explaining that the navy could simply "blow up the well and cover the leak with piles and piles and piles of rock and debris."
海军将不需要使用核武器，他解释说，海军可以简单地“炸毁油井并良好覆盖漏洞，及岩石和碎片泄漏。”
Analysts at the Institute for Science and International Security in Washington DC, an anti-proliferation think tank, say the country could have enough for a nuclear weapon this year.
位于华盛顿特区的科学和国际安全研究所是一家反扩散的智囊机构，其分析家说伊朗今年可能会拥有足够制造核武器的材料。
In addition to other effects, a nuclear weapon detonated in or above the earth's atmosphere can create an electromagnetic pulse (EMP), a high-density electrical field.
除了其他影响，在地球大气层中或之上引爆的核武器会产生一种电磁脉冲(EMP)，这是一种高强度的电场。
The electromagnetic pulse generated by the detonation of a single nuclear weapon at high altitudes can be a threat to military systems located as much as a thousand miles away.
单个核武器高空引爆所产生的电磁脉冲能对一千英里以外的军事系统造成威胁。
Today, with Kazakhstan having banished nuclear weapons and joined in creating a nuclear-weapon-free zone in Central Asia, Semipalatinsk has become a powerful symbol.
如今，由于哈萨克斯坦摒弃核武器并加入建立中亚无核武器区的工作，塞米巴拉金斯克已成为一个强有力的象征。
The five nuclear weapon states also exchanged in-depth views on the immediate commencement of negotiations at the Conference on Disarmament in Geneva on a Fissile Material Cut-off Treaty (FMCT).
五核国还围绕如何推动日内瓦裁军谈判会议尽快启动“禁产条约”谈判问题深入交换了意见。
This will create conditions for other nuclear weapon states to join in the nuclear disarmament process.
这也将为其他核国家参与核裁军进程创造条件。
The relative effects of blast, heat, and nuclear radiation will largely be determined by the altitude at which the weapon is detonated.
冲击波、高温、核辐射所产生的相关后果很大程度上取决于引爆高度。
China is also the first among the five nuclear-weapon states to have completed the legal procedures for the entry into force of the Additional Protocol to its Safeguards Agreement with the IAEA.
此外，中国是五核国中第一个完成核准加强国际原子能机构保障监督附加议定书的有关国内法律程序的国家。
At these very high temperatures the nonfissioned parts of the nuclear weapon are vaporized.
在这样的高温下，核弹的非裂变部分将被气化。
The city and the areas around it are an ice-free port and a nuclear-weapon-free zone.
那城市及其周围的地方是不冻港和无核区。
On the questions of disarmament, particularly nuclear disarmament, and overall prohibition and complete destruction of nuclear weapon, Chinese positions are familiar to all.
中国对裁军问题，特别是核裁军和全面禁止，彻底毁灭核武器的观点，是大家熟悉的。
Although the world continues to comfort itself with the thought that mutually assured destruction is unlikely, the risk that somebody somewhere will use a nuclear weapon is growing apace.
尽管这世界不断以彼此保证的核销毁几无可能来安慰自己，某地之某人使用核武器的风险甚嚣尘上。
And with our Allies and partners, we're engaged in negotiations to see if we can peacefully achieve a goal we all share: preventing Iran from obtaining a nuclear weapon.
并且在盟友和伙伴的参与下，我们正在协商，以期望达成一个共同目的：阻止伊朗获得核武器。
Navy ships may be subject to shock generated by non-contact underwater weapon explosion, contact weapon hits, self-delivered weapon explosion and nuclear blast.
舰船冲击环境主要是水下爆炸、武器直接命中、自身发射武器爆炸和核爆炸冲击波作用于船体的结果。
Iran says it has begun enriching uranium to a higher level, a process that world powers fear could give Iran the capability to build a nuclear weapon.
伊朗说，伊朗已经开始将铀浓缩到一个更高水平。世界大国担心，伊朗的浓缩铀可能使伊朗具备制造核武器的能力。
Iran says it has begun enriching uranium to a higher level, a process that world powers fear could give Iran the capability to build a nuclear weapon.
伊朗说，伊朗已经开始将铀浓缩到一个更高水平。世界大国担心，伊朗的浓缩铀可能使伊朗具备制造核武器的能力。
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