A new technique called substrate integrated waveguide (SIW) is presented in this article, and then wave modes in the SIW structures are explained by using surface currents theory.
首先介绍了基片集成波导(SIW)这一新技术，并用表面电流理论解释了电磁波在SIW中的传输模式。
The bio-degradability of the substrate also had influence on the currents.
有机基质的可生化性对模拟反应器的总电流也有显著影响。
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