常见例句Welcome to the Website of the Chinese Society of Rare Earths!歡迎訪問中國稀土學會網站！Rare earth doped oxysulfide is an important phosphor with broad applications.摘要稀土硫氧化物是一類重要的發光躰基質材料，有著廣濶的應用前景。 返回 rare-carth