Sm2O3 doped CeO2(SDC) powder were prepared by oxalate co-precipitation process. High purity solid solution phase was confirmed by XRD.是什么意思_Sm2O3 doped CeO2(SDC) powder were prepared by oxalate co-precipitation process. High purity solid solution phase was confirmed by XRD.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句