对环板行波管的导波特性进行了详细的数值模拟分析。
A detailed numerical calculation for the propagating wave's dispersion characteristics has been made.
有机发光二极管（OLED）发光效率很大程度上受到器件中高折射率材料（ITO/有机物）对导波光能量的制约。
The extraction efficiency of organic light-emitting diode(OLED) is restrained by the high fraction of energy of the guided wave in the high-index materials(ITO/organic).
实践证明采用超声导波技术检测小径管，定位准确，速度快，成本低。
The guided wave transducers are developed and used for NDT of the economizer in fossil plant, which have feature of quick inspection and low cost.
实践证明采用超声导波技术检测小径管，定位准确，速度快，成本低。
The guided wave transducers are developed and used for NDT of the economizer in fossil plant, which have feature of quick inspection and low cost.
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