First, the weapons should be intended for use only in retaliation after a nuclear attack. Second, the possession of the weapons must be a temporary expedient.
首先，这些武器应当只在遭受核袭击后反击时才使用。其次，这些武器的拥有必须是一种临时的应急手段。
They linked up with a series of local anti-nuclear and anti-apartheid groups.
他们与一系列反对核武器及反种族隔离的地方团体联合起来了。
The United States and Russia hope to conclude a treaty to cut their nuclear arsenals by two-thirds.
美国与俄罗斯希望达成一项将各自核武器削减2/3的条约。
But the idea of creating a nuclear Armada continued to exist.
但是建立核舰队的愿望依然存在。
About 30% of Japan's electricity comes from nuclear and a rise to 50% was projected by 2030.
日本30%的电来自于核能，到2030年，这个百分数预计会增长到50%。
Eg: Meltdown is a term that describes the melting of a nuclear reactor core as a result of a nuclear accident.
融毁坏是用来形容核反应堆中心过热出现融化，而产生的核事故。
THE risk of a nuclear accident at a huge power plant in disaster-strewn north-eastern Japan has risen for a second day on March 13th.
位于日本东北灾区的巨大核电厂出现了核事故，发生核事故的第二天，即3月13日，核泄漏的风险正在上升。
In two months it had reached almost 33 millisieverts, or a third the level normally permissible for those working on a nuclear accident in a year.
在接下来的两个月中它已基本上达到33毫西弗特，或者达到工人所能够在核事故工作一年的第三等级。
The centre will act as a clearinghouse for research projects for former nuclear scientists.
该中心将作为前任核科学家研究项目的信息搜集所。
NATO says it will keep a reduced number of modern nuclear weapons to guarantee peace.
北约称将保持削减后的现代核武器数量以确保和平。
He added, at this speed, they will be generating more heat per cubic centimeter than a nuclear reactor.
他补充，在这种速度下，每立方厘米产生的热将超过核反应堆。
Wind power has a significant cost advantage over nuclear power and has become competitive with coal-fired power plants in many places.
与核能相比，风力发电具有显著的成本优势，已经在多方面与燃煤电厂形成竞争。
It's sheer folly to build nuclear power stations in a country that has dozens of earthquakes every year.
在一个每年发生几十起地震的国家建立核电站实在愚蠢。
The House voted to impose a one-year moratorium on nuclear testing.
议会投票要强行暂停核试验一年。
Anti-nuclear protesters regarded the Chernobyl accident as a clear vindication of their campaign.
反核示威者认为，切尔诺贝利核电站核泄漏事故清楚地表明他们的反核运动是正确的。
Nuclear weapons have wrought a revolution in international relations.
核武器已经使国际关系发生了变革。
Nuclear weapons will play a less prominent part in NATO's armoury in the future.
核武器将来在北约的军械中会起较次要的作用。
Nuclear weapons should be used only as a last resort.
核武器应该只被用作最后手段。
Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob.
四种基本力（万有引力、电磁力、强核力和弱核力）中的每一种都有一个理论上的旋钮。
In 1918 the Radium Institute, whose staff Irène had joined, began to operate in earnest, and became a centre for nuclear physics and chemistry.
1918年，员工艾琳加入的镭研究所开始认真运作，并成为核物理和化学中心。
Nuclear DNA was successfully extracted from a 13,000-year-old emu eggshell and a giant moa eggshel.
细胞核DNA成功地从一只1.3万年前的鸸鹋蛋壳和一只巨大的恐鸟蛋壳中被提取出来了。
She says the boat would be shaped like a capsule, powered by a small nuclear engine, and though there would be no sail, it would have a mast to hold a camera.
她说船将被制成胶囊形，由一个小型核动力引擎驱动，尽管不会有帆，但船上会有一个固定照相机的桅杆。
It's like a rotary phone, where you could turn to a pageboy, or that haircut that looked like a nuclear bomb exploded your bangs, and then the Peter Pan look.
就像个旋转式电话，在那儿你能做个童花头，或者是爆炸式的刘海，再或者一个彼得潘的发型也行。
France has promised to sign a global test-ban treaty after it completes its current series of nuclear tests in the Pacific.
法国承诺在完成其目前在太平洋进行的一系列核试验后签署一项全球禁试条约。
The phosphorylated SR protein moves into the nucleus then relocates to a nuclear speckle.
老磷酸化蛋白进入细胞核，然后迁至核斑纹。
So far NASA is exploring two options for propulsion there? A nuclear thermal rocket and a chemical engine.
迄今为止NASA研究了两种前往那里的备选推进器：核热火箭和化学发动机。
It would give the victims of the tsunami and the nuclear disaster a chance to make their voices heard.
它给在海啸中和核灾难中的受害者一个去发表自己意见的机会。
It would be essential to redesign the American deterrent strategy in a world of multiple nuclear powers -- a challenge unprecedented in our experience.
同时须在一个有多个核大国世界里重新设计美国的威慑战略-我们的经验中前所未有的挑战。
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