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2无线电波传播2.1一些基本概念(1)电场电场是电荷存在的形式。当自由空间中存在某一电荷时,其周围就会出现电场,直至充满整个无限空间。电场的基本性质是:电场对于处在
2 Radio Wave Propagation 2.1 Some Basic Concepts (1) Electric field The electric field is a form of charge. When a charge is present in free space, an electric field appears around it until it fills the entire infinite space. The basic nature of the electric field is: the electric field is at