Chalcogenide compounds, such as GST, are very attractive materials for PCM and have already been used as the basis for optical storage media and prototype PCM devices.是什么意思_Chalcogenide compounds, such as GST, are very attractive materials for PCM and have already been used as the basis for optical storage media and prototype PCM devices.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句