The external quantum efficiency of(A1xGa1-x)0.5In0.5P light emitting diodes (LED) grown on GaAs substrate by lattice matching is limited by the absorptivity of the GaAs substrate.是什么意思_The external quantum efficiency of(A1xGa1-x)0.5In0.5P light emitting diodes (LED) grown on GaAs substrate by lattice matching is limited by the absorptivity of the GaAs substrate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句