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1·The article provides more than four types of definitions of Dirac function, and has studied various natures of Dirac function.

从各种不同角度给出了狄拉克函数四种以上的定义，同时还研究了狄拉克函数的各种性质。

2·The wave function of free electron in a strong laser plasma is obtained by solving exactly the Dirac equation in a curved space-time with optical metric for the laser plasma.

借助激光等离子体的光学度规，严格求解了弯曲时空中的狄喇克方程，得到了强激光等离子体中的自由电子波函数。