权威例句
dichroitedichroite3. On the Resemblances which Microscopic Objects in Dichroite and Amethyst have to some of the lower forms of Organic LifePreparation and characterization of Ni based monolithic catalysts for steam reforming of methaneStudy on Raman Spectra of Sapphire and its Similar GemstonesiolitecordieriteCordierit mtwin colorsRough Cut: Sustainability Issues in the Coloured Gemstone Industry
