英语词汇钷的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	钷
释义	钷【医】 florentium Il illinium Pm 钷(1)鉕pǒ(2)稀土族的一种金属元素,自然界中不存在其稳定的同位素,发现的钷为放射性形式,是铀的裂变产物,也可从中子照射制得,半衰期2.64年。表现出其它稀土元素的化学性质 [promethium]――元素符号Pm
随便看	supplementary appropriations supplementary articulation supplementary balance sheet supplementary budget supplementary budget for annual receipts supplementary budget for expenditures supplementary calls supplementary characteristic supplementary condition supplementary contract supplementary cost supplementary credit supplementary design formula supplementary dividend supplementary election supplementary estimates supplementary income tax supplementary information supplementary item supplementary judgment supplementary loading supplementary maintenance supplementary maintenance time supplementary menstruation supplementary ordinances

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