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。
Environmentalist Mark Lynas has shown how phasing out planned nuclear programmes in a number of countries as a result of the Fukushima disaster could add another degree to global warming.
环保人士马克·林纳斯展示了，许多国家在福岛灾难影响下逐步放弃核能这一计划会如何导致全球变暖的进一步加剧。
A number of countries — including Italy, Japan, India and China -will create new centers to promote nuclear security technologies and training.
意大利、日本、印度和中国等许多国家将建立新的中心促进核安全技术和培训。
A number of countries — including Italy, Japan, India and China - will create new centers to promote nuclear security technologies and training.
意大利、日本、印度和中国等许多国家将建立新的中心促进核安全技术和培训。
The nuclear family is becoming smaller as parents want fewer children, and the number of childless families is increasing.
因为父母不想要更多的孩子，所以核心家庭变得越来越小，而且无孩子家庭的数量也在增加。
In a nuclear reactor, it is essential that just the right number of neutrons are present.
在核反应堆中，保持合理数量的中子存在至关重要。
Just outside the coastal Fukushima nuclear plant, radioactivity in seawater tested about 1, 250 times higher than normal last week - but that number had climbed to 1, 850 times normal by the weekend.
上周对福岛核电站附近海水进行放射能检测的结果要比普通海水高1,250倍——但是到周末这一数据已经攀升到1,850倍。
The treaty limits the number of strategic nuclear warheads to 1, 550, reduced from the 2, 200 allowed under the May 2002 Strategic Offensive Reductions Treaty (SORT) agreement.
该条约将战略性核弹头数量从2002年5月的削减战略性进攻武器条约（SORT）允许的2 200枚削减为1 550枚。
The uranium that makes conventional nuclear power possible has a number of significant disadvantages.
传统核电使用的铀有一些重大缺陷。
A study by the Rand Corporation found that "a doubling in the number of [nuclear] reactors [built by an architect-engineer] results in a 5% reduction in both construction time and capital cost".
兰德公司(RandCorporation)的研究发现，“(建筑工程师)制造的(核)反应堆数量增加一倍，所需的制造时间和资金成本下降5%。”
Earlier, Mr Brown announced a reduction in the number of submarines that carry Trident, the British nuclear deterrent. See article.
早些时候，布朗宣布削减装有三叉戟的潜艇数量，这属于减少英国核威慑的一部分。
He explained: "The current proposals will see a proliferation of very large nuclear facilities built at a number of coastal locations vulnerable to rising sea levels, flooding and storm surge."
他解释道：“按照目前的规划，在沿海建造的大型核电站会越来越多，这些核电站容易受到海平面上升、洪水和风暴潮的袭击。”
For all of these reasons, a growing number of scientists and energy experts believe that the world should switch from uranium to thorium as its primary nuclear fuel.
出于所有这些理由，越来越多的科学家和能源专家认为，主要核燃料应该从铀转换成钍。
Just outside the coastal Fukushima nuclear plant, radioactivity in seawater tested about 1,250 times higher than normal last week - but that number had climbed to 1,850 times normal by the weekend.
上周对福岛核电站附近海水进行放射能检测的结果要比普通海水高1,250倍——但是到周末这一数据已经攀升到1,850倍。
On Saturday, the steel and concrete building housing the Fukushima Daiichi Number One nuclear reactor was blown apart by an explosion, but officials said the blast had not breached the reactor’s core.
周六，福岛第一核电站一号反应堆钢和混凝土结构的厂房发生爆炸，但日本官员称，爆炸并未危及反应堆核心。
An explosion blew the roof and outer walls off of the number 3 unit Monday at the Fukushima nuclear power plant in earthquake-stricken northern Japan.
日本北部遭受地震的福岛核电站星期一发生爆炸，炸毁了3号机组的外墙和屋顶。
She says safety is the number-one principle when it comes to operating the country's nuclear plants.
她表示，中国核电站的运行将始终坚持“安全第一”的原则。
A number of oil refineries caught fire along the northeast coast and at least 11 nuclear reactors have been closed.
东北海岸的炼油厂和至少11家核电厂都已经关闭。
Earlier Friday, an official with Japan's nuclear regulatory agency told reporters about the possible damage to the reactor core, which is located in Fukushima's number three unit.
星期五早些时候，日本原子能保安院的一名官员对记者披露了福岛核电站3号反应堆的堆芯可能受到的损坏的消息。
The range reflects uncertainty about the number and locations of Pakistan and India's nuclear facilities.
有关巴基斯坦和印度的核设施数目和位置考虑不确定性。
A number of countries — including Italy, Japan, India and China — will create new centers to promote nuclear security technologies and training.
意大利、日本、印度和中国等许多国家将建立新的中心促进核安全技术和培训。
This growth in the number of specialties is continuing with the establishment of such disciplines as aerospace, nuclear, petroleum, and electronic engineering.
随着如航空，核子，石油和电气工程这写学科的建立，专业数量还在持续增加。
This growth in the number of specialties is continuing with the establishment of such disciplines as aerospace, nuclear, petroleum, and electronic engineering.
随着如航空，核子，石油和电气工程这写学科的建立，专业数量还在持续增加。
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