yāpíng qūxiàn
Mandarin
Romanization
yāpíng
qūxiàn
(
Zhuyin
ㄧㄚ ㄆㄧㄥˊ ㄑㄩ ㄒㄧㄢˋ
)
Hanyu Pinyin
reading of
壓平曲線
/
压平曲线