拱顶内部会有一台重型起重机，还有其它一些远程操作设备，用于清除4号反应堆里逐渐衰变的残留放射性燃料。
Inside the arch will be a heavy duty crane and other remote-operated equipment to be used to start removing the crumbling radioactive fuel that remains in Unit 4.
放射性碳年代测定法涉及到了化学分析，与文物中残留的有机物成分所释放的放射性碳的含量测定有关。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
辐照会残留一些不明的放射性物质在食物里面。
Irradiation leaves no traces of radioactive material in food.
应用推荐