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钷
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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
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right of privacy
right of property
right of prosecution
right of prospecting
right of publication
right of public meeting
right of reatiner
right of recall
right of reciprocity
right of recourse
right of recovery
right of redemption
right of relief
right of reply
right of representation
right of resale
right of rescission
right of retention
right of sanctuary
right of search
right of self-defence
right of self-preservation
right of set-off
right of subrogation
right of succession
英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/10 15:19:14