稀有金属 [化学] rare metal ; [化学] less common metal ; Chinese Journal of Rare Metals ; minor metal
稀有金属材料与工程 Rare Metal Materials and Engineering ; RARE METAL MAT ENG
轻稀有金属 [材] light rare metal
放射性稀有金属 radioactive rare metal
稀有金属温差电偶 rare-metal couple ; rare metal thermocouple
稀有金属快报 Rare Metals Letters
稀有金属与硬质合金 Rare Metals and Cemented Carbides
稀有金属工业 rare metals industry
稀有金属挤压 rare metal extrusion
稀有金属冶金 [冶] metallurgy of rare metal
这一沉积层富含稀有金属铱，以及其他在陨石中较丰富而在地壳中十分罕见的元素。
This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.
他们偶然发现一种稀有金属铱的含量在边界处突然变得很丰富，然后又慢慢地消失了。
They had found, accidentally, that a rare metal, iridium, suddenly became very abundant exactly at the boundary and then slowly fell away.
稀有金属和其他商品日益上涨的价格也使得许多非洲资源丰富的国家从中受益。
Rising prices of precious metals and other commodities have also benefited many other resource-rich African countries.
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