短语词组短语Band Structure Theory 能带理论band gap theory 带隙理论impurity -band conduction theory 杂质带导电理论;杂质带传导理论Valance Band Theory 价键理论Big Band Theory 唱片名Renaming Big band theory 重新命名大爆炸The Big Band Theory 生活大爆炸 返回 band theory