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rare metal
贵金属:贵金属是一类天然存在但在地壳中含量稀少的金属化学元素
常用释义
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基本释义
  • 贵金属:贵金属是一类天然存在但在地壳中含量稀少的金属化学元素,它们价格昂贵、外表美观且化学性质稳定,具有高度的经济价值和较强的保值能力。
例句
  • 1·They had found, accidentally, that a rare metal, iridium, suddenly became very abundant exactly at the boundary and then slowly fell away.
    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。
  • 2·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.
    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。
  • 3·Rare Metal Materials and Engineering.
    稀有金属材料与工程。
  • 4·They found a rare metal near the mill.
    他们在磨房附近发现了一种稀有金属。
  • 5·This is a rare metal.
    这是一种稀有金属。
  • 6·They have abstracted a rare metal from the ore.
    他们已从矿砂中提炼了一种稀有金属。
  • 7·Unexploited rare metal ores have a good perspective.
    稀有矿现虽未开发,但前景却美好!
  • 8·Metal indium is an important rare metal new material.
    金属铟是重要的稀有金属新材料。
  • 9·Toxic and rare metal, adhere to the double lock system.
    剧毒和稀有金属,坚持双人锁制度。
  • 10·The new way of hypoxia rare metal produced industrialization was proposed.
    为工业规模化生产低氧高纯稀土金属提供了新的途径。