The authors first inferred the boundary condition for line source, then realised forward calculation with - difference method.

针对垂直有限线源, 首先推导了线电流源的边界条件,利用有限差分实现了三维地电场的正演.

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LED source point, the line source, advertising lights, decorative lights, festive lights and associated works.

LED点光源 、 线光源 、 广告灯光 、 装饰灯光 、 节日灯光和相关工程.

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