For the diamond thin films EL device, which with single layer structure, the EL spectral peak is at 430nm,in the blue region.是什么意思_For the diamond thin films EL device, which with single layer structure, the EL spectral peak is at 430nm,in the blue region.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句