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rare earth是什么意思

rare earth

  近义词:rare-earthelement,lanthanoid,lanthanide,lanthanon,

英英释义

Noun
  1. any element of the lanthanide series (atomic numbers 57 through 71)

例句

用作名词(n.)
  1. The expected amount of hydrogen loss matches the net excess of oxidized material on Earth today.据此估计氢的损失量,和今日地球上的氧化物净值吻合。
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