相平面 Save Sign in to save words xiàngpíngmiàn ㄒㄧㄤˋ ㄆㄧㄥˊ ㄇㄧㄢˋ phase plane (math., ordinary differential equations) Character by character 相(xiàng)appearance 平(píng)surname Ping 面(miàn)face A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0