天文学家想在月球远端放置射电望远镜；能量学家想提取月球上的氦3这种可以驱动清洁融合反应器回到地球的同位素。
Astronomers talk of placing a radio telescope on the moon's far side; energy experts want to mine the moon's helium 3, an isotope that could power clean-fusion reactors back on Earth.
这也预示着，利用氦- 3这种缺少一个中子的稀有的氦同位素进行核聚变的前景很黯淡。
It also bodes ill for the prospect of fusion using helium-3, a rare helium isotope that is missing a neutron.
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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