- Traditional Chinese Character(HanT):
閉路系統
- Simplified Chinese Character(HanS):
闭路系统
- Bopomofo(Mandarin Phonetic Symbols): ㄅㄧˋ ㄌㄨˋ ㄒㄧˋ ㄊㄨㄥˇ (ㄅㄌㄒㄊ)
- Bopomofo(Zhuyin Keyboard Input/IME): 1u4xj4vu4wj/3
- (ASCII) Hanyu Pinyin: "biluxitong" "Bi4Lu4Xi4Tong3" "Bi4 Lu4 Xi4 Tong3" (BLXT)
- (Latin) Hànyǔ Pīnyīn: BìLùXìTǒng [ Bì Lù Xì Tǒng ]
- (英文翻譯) English Translation: "closed circuit system"
- (西語翻譯) Traducción Español: "sistema de circuito cerrado"
- (日文翻譯) 日本語翻訳: "閉回路システム"