本文对高纯金属铽的制备进行了研究。
他们从实验和理论两个方面考虑了金属铽的这个问题。
They have considered this problem from both the experimental and theoretical points of view for the metal terbium.
他们从实验和理论两个方面考虑了金属铽的这个问题。
They have considered this problem from both the experimental and theoretical points of view for the metal terbium.
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