“vacant element”的概念、定义、翻译、参考文献-科学参考

单词	vacant element
释义	vacant element Encyclopedia 理学放射性元素化学释 vacant element空位元素锝、钷、砹和钫4种放射性元素在历史上的别称。
随便看	proto-subnebula protosuchia protosun Proto-Tethys Ocean prototroph prototropic rearrangement prototropic rearrangement; prototropy prototropic work prototropy prototype prototype clustering prototype development prototype meter prototype model prototype of kilogram prototype optical surveillance system prototype pattern prototype production for evaluation prototype theory Prototype Theory of Concept prototypical definition prototyping method Proto-urban Site of Sarazm protoxylem Protozoa

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