该模型火车安装有合成的放射性同位素(中子或者说能量的来源)，在模型列车轨道上进行连续3天的循环，以协助通知其他聚变实验。
This model train was mounted with a synthetic radioisotope (a source of neutrons - or energy) and sent on a continuous three-day loop on hobby train tracks to help inform other fusion experiments.
锎一种合成元素，由氦同位素轰击锔可得到微量的这种元素。
A synthetic element produced in trace quantities by helium isotope bombardment of curium.
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