We find a reduction in TD density in GaN films grown on graded AlxGa1-xN buffer layers, in comparison with those grown directly on a thin AlN buffer layer.是什么意思_We find a reduction in TD density in GaN films grown on graded AlxGa1-xN buffer layers, in comparison with those grown directly on a thin AlN buffer layer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句