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交集 = intersection; 并集 = union; 补集 = complement.
妮妮乖乖58
intersection
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the intersection of A and B“A和B的交集” the union of A and B“A和B的并集” 举例： The intersection of set A and set B is empty. 集合A和集合B没有交集。／ 集合A交集合B是空集。 Set P is the union of set K and set S. 集合P是集合K和集。
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