yāpíng qūxiàn

Mandarin edit

Romanization edit

yāpíng qūxiàn (Zhuyin ㄧㄚ ㄆㄧㄥˊ ㄑㄩ ㄒㄧㄢˋ)

  1. Hanyu Pinyin reading of 壓平曲線压平曲线