摘要
本文讨论了毕——萨定位的积分式和徽分式之间的关系．并应用矢量场论对毕——萨定律的适用范围作出讨论和证明。
The article discussed the relationship between integral and differentol representation of the Biot-Savart Law. By the vector field, the application range of the Biot-Savart Law was dis-cussed and proved.
关键词
电流密度
磁感应强度
旋度
散度
current density magnetic induction density rotation divergency
