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充要条件
充要條件
chōngyàotiáojiàn
1. necessary and sufficient condition

Character Breakdown

充
chōng
to fill, to supply; to be full
HSK 5 6 丶
要
yào
essential, necessary; to ask for; to coerce; to demand
HSK 2 9 丶
条
tiáo
clause, condition; string, stripe
HSK 2 7 丶
件
jiàn
item, matter; component, part; measure word for events
HSK 2 6 丶

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Category
Chinese