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用微扰论研究了ＫＣｌ中下心和（ＣＮ）~－分子间的电声子相互作用。给出了不同状态下的电声子相互作用的强弱，为进一步研究其它碱卤晶体中下心电子和杂质分子间的电声子相互作用提供了理论依据和方法。
The perturbation theory is used to study the electro phonon interaction between the center and the (CN) ~ - molecules in KCl. The interaction between the electroacoustic and phonon interactions in different alkali halide crystals is given, which provides a theoretical basis and method for further studying the electro-phonon interaction between the lower center electrons and the impurity molecules in other alkali halide crystals.