Role of the cavity field, the electrostatic repulsive force at the domain boundary and self-enhanced diffraction light induced by physical imperfection on laser-induced surface damage are discussed.

本文讨论了由晶体缺陷所致的自增强衍射光，富集于缺陷的空间电荷所致的空洞场，以及由此场导致的发生在畴界上的静电斥力对此损伤所起的作用。

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Amongst these, one of the most important problem is to solve the boundary value problem for the solar force-free magnetic field equation.

这其中最重要的一个问题就是通过数值方法求解太阳无力磁场方程的边值问题。

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