New methods and algorithms of data mining are provided by extension theory, and the new data mining thoughts are also stimulated by the extension set theory.

而可拓学的建立为数据挖掘提供了新的手段和方法，开辟了新的挖掘算法。

youdao

This paper discusses a principal problem in grey mathematical theory, that is grey set and its operation, and proves the decomposition theorem, representation theorem and extension principle.

讨论灰色数学理论的一个基本问题，即灰色集合以及它的有关运算，灰集的分解定理、表现定理和扩张原理。

youdao

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。

youdao