然而，根据国家海洋和大气管理局的海洋废弃物方案，海啸产生的碎片受放射性物质污染是非常不可能的。
However, it's highly unlikely the tsunami-generated debris would be contaminated with radioactive material, according to the National Oceanic and Atmospheric Administration's Marine debris program.
因为这次爆炸产生了大量的放射性碎片导致福岛周边的城镇计划建立一些临时安置点时非常的谨慎小心。
Towns near Fukushima have responded cautiously to plans to build temporary storage sites for massive quantities of radioactive debris generated by the accident.
当核心暴露于冷却水位以上并过热，那放射性碎片就会产生。
The radioactive debris is produced when the core is exposed above the coolant water level and overheats.
粮食、衣服碎片、木片等等都可以通过计算它们含有多少放射性的碳元素来判断它们的年代。含的越少，年代就越悠久。
Food grains, scraps of cloth, bits of wood and so on can thus be dated by finding out how much radioactive carbon is left in them: the less there is, the older they are.
裂变过程中裂变碎片的放射性很强。
In fission processes, the fission fragments are quite radioactive.
在裂变过程中，裂变碎片具有强烈的放射性。
In the fission processes the fission fragments are very radioactive.
在裂变过程中，裂变碎片具有强烈的放射性。
In fission processes the fission fragments are very radioactive.
只要空间活动产生了空间碎片或放射性、化学性污染，就产生空间活动主体的国际责任。
Where space debris or radioactive or chemical pollution has resulted, international liability for space environmental damage is established.
在裂变过程中，裂变碎片的放射性很强。
In fission processes the fission fragments are very radioactive.
在裂变过程中，裂变碎片的放射性很强。
In fission processes the fission fragments are very radioactive.
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