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单词 Real closure
释义

Real closure

中文百科

实闭域 Real closed field

(重定向自Real closure)

数学中,实闭域实封闭域是一类有序域,使得其中每个正元素皆可表为平方,且任何奇数次多项式都有根。以下将给出几种等价的定义。

英语百科

Real closed field 实闭域

(重定向自Real closure)

In mathematics, a real closed field is a field F that has the same first-order properties as the field of real numbers. Some examples are the field of real numbers, the field of real algebraic numbers, and the field of hyperreal numbers.

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更新时间:2025/6/22 19:26:47