Metals,Actinoid

《英文msh词典》Metals,Actinoid
[同义词] Metals,Actinoid
[主题词] Actinoid Series Elements
[中文释义] 金属,锕系
[英文释义] A series of radioactive elements from ACTINIUM,atomic number 89,to and including LAWRENCIUM,atomic number 103.