noun
数据来源:WordNet
Extraction of Commercial Be Oxide and RE Mixed Compound from Ytterbite
从硅铍钇矿中提取工业氧化铍及混合稀土
A metallic element of the rare earth group ; used in lasers ; occurs in apatite and monazite and xenotime and ytterbite .
稀土属金属元素,用于激光中,见于磷灰石、独居石、磷钇矿和硅铍钇矿中。