英语词汇“element 104”是什么意思，“element 104”的读音、用法及例句翻译-烛光网

词汇	element 104
释义	element 104n.（名词） An artificially produced radioactive element with atomic number 104 whose isotopes have mass numbers of 257, 259, 260, and 261 with half lives respectively of 0.5, 3, 0.1, and 70 seconds.104号元素：用人工提取的放射性元素，它的原子序数是104，它的同位素的原子量是257、259、260和261，它们的半衰期分别是0.5、3、0.1和70秒
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