two-band英'tuːb'ænd美'tuːb'ændBNC²³⁶²¹³⁺¹ 基本例句 双频段¹⁰⁰ In chapter1, we review briefly the history of superconductivity study, BCS theory and its main conclusions, and the two-band superconductivity model. 在第一章,我们简要回顾了超导发展的历程、介绍了 BCS理论及其主要结论和双带超导模型。 cnki