麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
这也不是因为麦克斯韦提出了支撑了大部分现代物理学的场理论。
Nor is it because he championed the abstract idea of fields, a fecund notion that underpins much of modern physics.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
从麦克斯韦方程出发，严格推导了空间电荷波模式的色散关系，绘制了波导内的场型图。
From Maxwell's equations, the dispersion relation of space charge mode is strictly deduced, and the field pattern is studied.
文章从麦克斯韦方程组出发，利用纵向场分量法，详细地推导了强引导磁场下等离子体波导中电磁场分量的表达式。
In this paper, the expressions of the electromagnetic field components in a plasma waveguide immersed in a strong longitudinal magnetic field are derived in detail from the Maxwell's equations.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell's equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
基于麦克斯韦方程组的电磁场理论(场方法)和基于基尔霍夫定律的电路理论(路方法)是分析微波传输线的主要理论工具。
Electromagnetic field theory based on Maxwell's equations (field method) and circuit theory based on Kirchhoff's laws (circuit method) are the main tools to analyze transmission line problems.
利用麦克斯韦方程组和场的轴对称性，给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
By using the Maxwell's equations and axial symmetry, a method on calculating non-static axial symmetry fields with unstable charge source is given.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell's equations and axial symmetry, a method on calculating non-static axial symmetry fields with unstable charge source is given.
利用麦克斯韦方程组和场的轴对称性，给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
文章从麦克斯韦方程组出发，利用纵向场分量法，详细地推导了强引导磁场下等离子体波导中电磁场分量的表达式。
The equation for electromagnetic properties of a moving medium is discussed by using electromagnetic field tensor, electromagnetic induction tensor and their dual tensor.
文章从麦克斯韦方程组出发，利用纵向场分量法，详细地推导了强引导磁场下等离子体波导中电磁场分量的表达式。
The equation for electromagnetic properties of a moving medium is discussed by using electromagnetic field tensor, electromagnetic induction tensor and their dual tensor.
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