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  1. System - Wikipedia

  2. System Definition & Meaning - Merriam-Webster

  3. SYSTEM中文(简体)翻译:剑桥词典 - Cambridge Dictionary

  4. system是什么意思_ system的翻译_音标_读音_用法_例句_爱词霸在 …

  5. SYSTEM | definition in the Cambridge English Dictionary

  6. SYSTEM | English meaning - Cambridge Dictionary

  7. SYSTEM Definition & Meaning | Dictionary.com

  8. system noun - Definition, pictures, pronunciation and usage notes ...

  9. System - Definition, Meaning & Synonyms - Vocabulary.com