rare earth是什么意思 rare earth怎么读
rare earth的英文翻译是什么意思，词典释义与在线翻译
Noun:- any element of the lanthanide series (atomic numbers 57 through 71)
rare earth的用法和样例
用作名词 (n.)
- 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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