By studying the relations of the extensibility of matter-element with the extension field of a matter-element extension set, two ways to determine the extension field are obtained.
通过研究物元的可拓性与物元可拓集合的可拓域之间的关系,得到了两种确定物元可拓域的途径。
Its theory support is matter-element and extension set, and its logical cell is matter-element.
它的理论支柱是物元理论和可拓集合理论,其逻辑细胞则是物元。
Its theoretical pillars are the theory of matter-element and the theory of extension set.
其理论支柱是物元理论和可拓集合。
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