second axiom of countability 第二可数性公理
second countability axiom [数] 第二可数公理
first axiom of countability 第一可数性公理
countability axioms 可数性公理
first countability axiom 第一可数性公理 ; 第一可数公理
first countability [数] 第一可数性
axiom of first countability 第一可数公理
Apart from the possibility of being counted, countability also refers to countable meanings or usages as well as count nouns.
可数性除了指被计数的可能性外，还可以指可数语义或用法，以及可数名词。
This paper gives a new proof of continuum's countability which is more strict and di-rectviewing on the basis of the earlier work.
在前期工作的基础上，提出一个实数集（连续统）可数性的一个更严格、更直观的证明。
For the Number of nouns, countability is the essential property of count nouns, but the singular, dual and plural are the realization of this property.
就名词的数范畴而言，可数性是可数名词的本质属性，单、双、复数形态是可数性的一种外在实现。
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