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本文对近两年来在新发现的几十个氧化物超导体中所涉及的结晶化学、结构化学问题，如铜酸盐超导体的电子结构、钙钛矿结构的稳定性以及晶体结构中的一些键参数对Ｔ＿ｃ的影响作一总结和讨论。
In this paper, the crystal chemistry and structural chemistry involved in the newly discovered dozens of oxide superconductors in recent two years, such as the electronic structure of the copper superconductors, the stability of the perovskite structure and some of the key parameters in the crystal structure The impact of T_c make a summary and discussion.