释义 |
theory of electromagnetic field 基本例句 电磁场理论 This chapter provides the main background for the electromagnetic theory used in this book.本章阐述本书所用的电磁场理论的主要基础。 Based on the classical theory of electromagnetism, the relation and the difference between OAM and the parameter of the beam in paraxial approximation are analyzed.从经典电磁场理论出发,主要介绍了傍轴近似条件下,光束的轨道角动量和光束的参数之间的关系。 |