In the course of forming and evoluting, the gold ore forms through the activating, migrating and concentrating of gold element caused by the activity of the magmatic evaporating composition.

在花岗质岩浆形成和演化过程中，由于岩浆挥发组分的活动，使金元素发生活化、迁移和富集而形成金矿床。

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Concerns BEM (boundary element method) of electric current concentrating effect and temperature rising analysis at the crack tip with high density electric pulse.

给出金属板在高密度电流脉冲下裂纹尖端电流集肤效应和急剧发热升温解析的边界元法。

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