恆等式

• Traditional Chinese Character(HanT): 恆等式
• Simplified Chinese Character(HanS): 恒等式
• Bopomofo(Mandarin Phonetic Symbols): ㄏㄥˊ ㄉㄥˇ ㄕˋ (ㄏㄉㄕ)
• Bopomofo(Zhuyin Keyboard Input/IME): c/62/3g4
• (ASCII) Hanyu Pinyin: "hengdengshi" "Heng2Deng3Shi4" "Heng2 Deng3 Shi4" (HDS)
• (Latin) Hànyǔ Pīnyīn: HéngDěngShì [ Héng Děng Shì ]
• (英文翻譯) English Translation: "Identity"
• (西語翻譯) Traducción Español: "Identidad"
• (日文翻譯) 日本語翻訳: "身元"