- Traditional Chinese Character(HanT):
S曲線
- Simplified Chinese Character(HanS):
S曲线
- Bopomofo(Mandarin Phonetic Symbols): ㄟㄙˋ ㄑㄩ ㄒㄧㄢˋ (ㄟㄑㄒ)
- Bopomofo(Zhuyin Keyboard Input/IME): "on4fm vu04" (on4fmvu04)
- (ASCII) Hanyu Pinyin: "quxian" "Qu1Xian4" "Qu1 Xian4" (QX)
- (Latin) Hànyǔ Pīnyīn: QūXiàn [ Qū Xiàn ]
- (英文翻譯) English Translation: "S curve"
- (西語翻譯) Traducción Español: "S curva"
- (日文翻譯) 日本語翻訳: "S字カーブ"