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。
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。
Countability axioms, separability and connectedness are introduced and investigated for a DE Morgan algebra of topology. Thus the scope of a DE Morgan algebra of topology is extended.
本文引入和研究德摩根拓扑代数的可数公理、可分性和连通性，拓宽了原有的结果。
Countability axioms, separability and connectedness are introduced and investigated for a DE Morgan algebra of topology. Thus the scope of a DE Morgan algebra of topology is extended.
本文引入和研究德摩根拓扑代数的可数公理、可分性和连通性，拓宽了原有的结果。
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