The results indicate that the optimal Tl_2O partial pressure was obtained when the stoichiometric Tl_(1.9)Ba_2Ca_2Cu_3O_ywas used as thallium source.是什么意思_The results indicate that the optimal Tl_2O partial pressure was obtained when the stoichiometric Tl_(1.9)Ba_2Ca_2Cu_3O_ywas used as thallium source.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句