单词 | atomic number 102 |
释义 | atomic number 102 (extremely rare) n WORD FAMILY atomic number 102 n a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known Syn|Hyper No, nobelium chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
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