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1·The theory and method is the basis of researching and studying quantum mechanics and relativistic mechanics.

分析力学的理论和方法是研究和学习量子力学、相对论力学的基础。

2·Applying the theory of relativistic quantum field, the paper puts forward an approximate method to calculate electronic energy band with relativistic Green Function.

运用相对论量子场理论，提出了一个相对论格林函数计算能带的近似方法。

3·A relativistic quark model based on the quasipotential approach in quantum field theory is briefly introduced, and by using this model, heavy quarkonium mass spectra are calculated in detail.

摘要介绍了量子场论中基于准势途径的一个相对论夸克模型，并使用这个相对论夸克模型计算了重夸克偶素的质量谱。

4·A method combining the relativistic multichannel theory with the multichannel quantum defect theory is presented to calculate electron impact excitation.

介绍了用相对论多通道理论结合量子亏损理论计算电子碰撞激发过程的方法。