| 释义 |
Actinium radioisotope
- 锕ā
actinium; Ac
- 锕系ā xì
actinium series
- 锕族ā zú
actinium family
- 放射性同位元素fàng shè xìng tóng wèi yuán sù
radioisotope
- 锕化合物ā huà hé wù
actinium compound
- 秒寿命放射性同位素miǎo shòu mìng fàng shè xìng tóng wèi sù
seconds living [life] radioisotope
|