另外，还给出了光子晶体波导中的能流密度矢量图。
In addition, Poynting vector in photonic crystals waveguide is gained.
摘要电流密度矢量场也满足叠加原理，给出了一些应用电流密度场叠加原理的例子。
The electric current density vector field also satisfies superposition principle some applications thereof are introduced.
从而验证了改变气流方向和热流密度矢量之间夹角可以强化换热的这一强化传热新原理。
It demonstrate the new principle of convective heat transfer enhancement by changing the Angle between fluid flow and heat flux.
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