Do sum up four types using Gausslaw to solute the Field strength problems by typical instances.
通过典型例题，归纳出用高斯定理求解场强问题的四种类型。
2
Gauss theorem in magnetic field and Ampere cycle theorem, Ampere law, action of magnetic field to current line, cycle and charge in which.
磁场中的高斯定理和安培环路定理；安培定律。磁场对载流导线和载流线圈及对运动电荷的作用。
3
The geometric law of energy conservation is utilized in designing diffraction optical component and evaluating the phase function of diffraction optical component with Gauss beams input.