The experiment results show that the microwave loss of BMT ceramic mainly depends on its B-site ion ordering parameters, bulk density and homogenous microstructure.

实验结果表明，BMT陶瓷的微波损耗主要与其密度、有序度和微观结构的均一度有关。

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At the same time we curve fit the bulk modulus B of these binary alloys using the results and least square mothod.

依据这种电子结构计算了晶格常数、结合能、势能曲线、体弹性模量和线热膨胀系数随温度的变化，理论值与实验值均符合较好。

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