[化] 锕系(指89~103号元素)

actinium series的用法和样例：

例句

And a series of problems brought by the change of the site of Lanthanide and Actinide site was put forward.并提出由于镧系和锕系位置的变化所带来的一系列问题。

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学英语单词

arthritis lencocytotica

asymptotic distribution of maximum likelihood estimator

audio frequency-current therapy

audio-magnetotelluric method

beeware