| 单词 | 三分钟 |
| 释义 | 〔burn〕a rocket stage designed to burn for three minutes before being jettisoned.设计成在被抛弃之前可以燃烧三分钟的火箭的级〔nobelium〕A radioactive transuranic element in the actinide series, artificially produced in trace amounts. Its longest-lived isotope is No 255 with a half-life of 3 minutes. Atomic number 102. See table at element 锘：在锕类元素中的一种放射性超铀元素，人工微量制造，其最长寿命的同位素是锘255，其半衰期为三分钟，原子序数102 参见 element〔lawrencium〕A short-lived, radioactive synthetic transuranic element produced from californium and having isotopes with mass numbers 255 through 260 and half-lives of a few seconds to three minutes; atomic number 103. See table at element 铹：一种寿命期短的、人工合成的放射性超铀元素，从锎中生成，有质量从255到260的同位素，半衰期从几秒钟到三分钟；原子序数103 参见 element |
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