摘要
讨论了不同情况下恒定电场中点源函数的表达式；用两种方法对点源作不同的处理；最后。
The point source function is given in different cases; two diferent methods for treating the point source are proposed and the methods presented are proved and explained by an example.
出处
《大学物理》
1999年第7期4-7,共4页
College Physics
关键词
恒定电场
边值问题
点源
点源函数
static electric field
boundary value problem
point source
