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空集
kōng​jí

empty set

Definitions Defs Origin Strokes Stroke Words Sentences Sents

1 sentence

  1. 这两个集合的交集为空集。

    zhè liǎng gè jí​hé de jiāo​jí wéi kōng​jí.

    The intersection of these two sets is an empty set.

    Source: Dong Chinese Dictionary