XRD spectra show that the bulk GaN particles are wurtzite structure, and the NC GaN has small domain size and the structure of solid solution phase.是什么意思_XRD spectra show that the bulk GaN particles are wurtzite structure, and the NC GaN has small domain size and the structure of solid solution phase.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句