基本解释佈雷格攝譜儀词组短语短語Bragg diffraction spectrograph 佈拉格光柵攝譜儀Bragg g spectrograph 佈雷格攝譜儀bragg curve spectrograph bragg 曲線譜儀Bragg spectrograph更多词组专业释义經濟學佈雷格攝譜儀