| 释义 |
〔actinide〕Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium).锕类：任何化学性质相似，原子序数在89（锕）与103（铹）之间变化的放射性元素〔ring〕To have a sound or character suggestive of a particular quality:听起来象：具有和某种特殊性质相似的声音或性质：〔multiplet〕Any of several classes or groupings of subatomic particles, such as the nucleon, that are similar in most properties but different in electric charge.多重态：亚原子粒子（如核子）的任何一类或一组，这种粒子大部分性质相似而电荷不同 |