1) σ-interior preserving of open expansions
σ内部保持开膨胀
2) σ-point finite open expansion
σ-点有限开膨胀
3) internal expansion
内部膨胀
4) σ-expandability
σ-可膨胀
1.
Three theorems concerning the σ-collectionwise normal,σ-expandability, and σ-metaexpandability of σ-products are proved.
证明了三个关于σ-集体正规、σ-可膨胀和σ-亚可膨胀的σ-积定理。
5) Internal dilatation source
内部膨胀源
6) σ-compact finite open expansion
σ-紧有限的开膨胀
补充资料:讨开点
1.方言。分得一点。
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