等价关系 Traditional 等價關係 děng jià guān xì 🔊 equivalence relation + Review this word Meanings děng jià guān xì 等價關係 (math.) equivalence relation Its characters 等děngto wait for; to awaitHSK 2价jiàprice关guānmountain passHSK 3系xìto connectHSK 5