必要條件 Save Sign in to save words Simplified: 必要条件 bìyàotiáojiàn ㄅㄧˋ ㄧㄠˋ ㄊㄧㄠˊ ㄐㄧㄢˋ 男 女 requirement necessary condition (math) Character by character 必(bì)certainly 要(yào)want 條(tiáo)strip 件(jiàn)item A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0