unitary transformation短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 酉变换 The influences of Coulomb field on the properties of strong-coupling polaron in a parabolic quantum wire are studied by using the linear combination operator and the unitary transformation methods. 采用改进的线性组合算符法研究了库仑场对抛物量子线中强耦合极化子性质的影响。 jamp.scu.edu.cn