| 释义 |
element 105n.（名词）- An artificially produced radioactive element with atomic number 105 whose isotopes have mass numbers of 260, 261, and 262, with half lives respectively of 1.6, 2, and 40 seconds.105号元素：用人工提取的放射性元素，它的原子序数是105，同位素的原子量是260，261和262，半衰期分别为1.6，2和40秒
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