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rare earth

/ˈreər ɜːrθ/

翻译: 指元素周期表中的十七种金属元素,包括钪、钇和十五种镧系元素,是现代电子、磁体和可再生能源系统等技术所必需的关键材料。

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/ˈreər ɜːrθ/C1formalscientific
  • zh指元素周期表中的十七种金属元素,包括钪、钇和十五种镧系元素,是现代电子、磁体和可再生能源系统等技术所必需的关键材料。

A set of seventeen metallic elements in the periodic table, including scandium, yttrium, and the fifteen lanthanides, which are essential for modern technologies such as electronics, magnets, and renewable energy systems.

  1. Chemical elementsC1formal

    A set of seventeen metallic elements in the periodic table, including scandium, yttrium, and the fifteen lanthanides, which are essential for modern technology.

    zh稀土元素

    • Rare earth elements are crucial for manufacturing smartphones and electric vehicle batteries.
    • China dominates the global supply of rare earth minerals.
    • Scientists are researching new methods to recycle rare earth metals.
  2. Geological depositsC1formal

    Naturally occurring mineral deposits containing rare earth elements, often found in specific geological formations.

    zh稀土矿床

    • The company discovered a large rare earth deposit in Greenland.
    • Mining rare earth deposits requires advanced extraction techniques.
    • Environmental concerns surround the processing of rare earth ores.