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period 9 element 添加释义

英英释义

Period 9 element

  • abstract: A period 9 element is any one of 8 hypothetical chemical elements (unhexpentium through unseptbium) belonging to a ninth period of the periodic table of the elements. They may be referred to using IUPAC systematic element names.

以上来源于: WordNet

双语例句

  • The cell type is a simple element that can contain a range of values from 1 to 9 and a period (.) that represents no value.

    单元格类型一个简单元素,其中可以包含 1 9点号.) ,点号表示没有

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  • Specifically, you specify the box element must be one of the integers from 1 through 9, or the period.

    我们明确指定box元素只能1 - 9整数或者句点。

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