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闭子集

bìzǐjí

Traditional: 閉子集

closed subset (math)

Character Breakdown

闭
bì
to shut, to close; to obstruct, to block
HSK 5
子
zi
son, child; seed, egg; fruit; small thing
HSK 1
集
jí
to gather, to collect; set, collection
HSK 5

Additional Information

Category
Chinese
HSK Character Level
—
HSK Word Level
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