哺乳动物中的红细胞成熟时是无核的，这意味着它们缺乏细胞核。
Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.
胚胎早期败育是南丰蜜橘无核的主要原因。
It is hence proved that embryo degeneration is responsible for the seedless of Nanfeng tangerine.
由于地震及海啸的到来，东京电力公司的装机容量(与核有关的或无核的)下降了28%，它还是关闭了。
Following the earthquake and tsunami, about 28% of TEPCO's installed capacity, nuclear and non-nuclear, remains shut down.
其他的脊椎动物，比如说鱼类，爬行动物和鸟类等红细胞有核的动物的红细胞却没有进化成无核的红细胞。
Other vertebrates such as fish, reptiles and birds have red cells that contain nuclei that are inactive.
本试验证明了TMV - RNA在有细胞核的烟草原生质体中能大量增殖，但在无核的胞质体中却难以增殖。
The experiment has proved that TMV-RNA multiplied vigorously in tobacco protoplasts with cellular nucleuses, while hardly multiplied in cytoplasts separated from nucleuses.
“委员会认为奥巴马的世界无核的愿景及为此而进行的工作十分重要，”诺贝尔奖委员会在该奖项官方引言中说。
"The committee has attached special importance to Obama's vision of and work for a world without nuclear weapons," the Nobel Prize committee notes in the award's official citation.
将抗性基因转入葡萄品种是培育无核葡萄抗病品种的有效途径。
It is an effective approach to breed the resistance cultivars of seedless grape by transferring resistant gene into the cultivars of Vitis vinifera.
下个月，在纽约将举行大会来加强已签署40年之久的无核化条约。
Next month, there's a meeting in New York on strengthening the 40-year-old nuclear nonproliferation treaty.
中国是五个核大国中唯一一个公开宣布不首先使用核武器，不对无核国家使用核武器的国家。
China is the only one among the five nuclear powers to publicly declare no first use of nuclear weapons and no use of nuclear weapons against non-nuclear states.
不像印度，伊朗已经签署了条约中的无核条款。
Unlike India, Iran has signed up to the treaty's non-nuclear rule.
奥巴马承认他的无核梦可能在其一生中都无法实现。
Mr Obama acknowledged that his nuclear-free vision may not be realised in his lifetime.
另外两个工作组将考察更有约束性的“消极安全保障”(由这些拥有核武器的国家作出不向无核国家使用核武器的承诺)以及更加宽泛的裁军议题。
Two other working groups will explore more binding "negative security assurances" (promises by those that do have bombs not to use them against those that do not) and broader disarmament issues.
（掌声）我对日本参与到这一努力中来感到欣慰，因为地球上没有任何国家比这两个国家更懂得这些武器的后果，因此我们必须共同寻求一个无核武的未来。
(Applause.) I am pleased that Japan has joined us in this effort, for no two nations on Earth know better what these weapons can do, and together we must seek a future without them.
即使是禁止核试验和起草一份降低核裂变材料生产的新条约-----很显然，二者都是迈向无核未来的第一步----困难也将会如影随形。
Even the test ban and a new treaty to cut off production of fissile material—both obvious first steps to a nuclear-free future—will be dogged with difficulty.
另外一个有冰存在的迹象就是陨石坑底部的并行线和无核物质。
Another sign of ice is the presence of parallel lines and pitted material on the crater floor.
本轮会谈中，我们将进一步深入涉及两个主要问题，一是如何实现无核化，包括弃核的范围、方式，以及解决各方的关切；
The first one is how to realize denuclearization, including the scope and means of nuclear dismantlement, and at the same time address the concerns of all parties.
尽管，全球大灾难的风险已过，对那些希望和平与安全（更不说无核未来）的国家来说，更大的危险仍然潜在。
Yet the risk of global conflagration is past. For those intent on peace and security, let alone that nuclear-free future, bigger dangers lurk.
美国首次参加了该纪念仪式，英国和法国也首次派外交官出席，以表达对实现无核武世界的支持。
Britain and France also sent their first diplomats to the ceremony in Hiroshima in a sign of support for nuclear disarmament.
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。
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.
他们将释迦的染色体组跟拟南芥的无核突变体进行比较，后者常用于各种实验中。
They compared its genome to that of a seedless mutant of a plant called Arabidopsis that’s used in a lot of research.
他们将释迦的染色体组跟拟南芥的无核突变体进行比较，后者常用于各种实验中。
They compared its genome to that of a seedless mutant of a plant called Arabidopsis that’s used in a lot of research.
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