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材料科学的发展导致人们对于固体的物理和化学性质进行了广泛的研究,其中一个非常活跃的研究领域就是70年代中期发展起来的稀土化合物与过渡金属氧化物组成的混合氧化物体系。
The development of materials science has led to extensive research on the physical and chemical properties of solids. One of the most active research areas is the mixed oxide system of rare earth compounds and transition metal oxides developed in the mid-1970s.