rare old异乎寻常的, 极度的
rareadj.罕见的;珍贵的;煎得嫩的
rare earth activated antibacterial composite稀土激活复合抗菌
rare earth- niobium- tartalum- mineral稀土铌钽矿
Rare-earth Alloy Manganite p-n Junctions钙钛矿稀土合金锰氧化物p-n异质结
rare-earth giant magnetostrictive materials稀土超磁致伸缩材料
rare earth-transition intermetallie compound稀土-过渡族金属间化合物
rare earth-transition intermetallic compound稀土-过渡族金属间化合物
rare earth-magnesium-zirconium master alloy稀土镁锆中间合金
Rare-earth permanent magnet synchronous machine稀土永磁同步电动机