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backup storage unit /ˈbakʌp ˈstɔːɹɪdʒ ˈjuːnɪt/ n

中文：备份存储单元

中文 · 备份存储单元Español · unidad de copia de seguridadFrançais · unité de sauvegarde
Meaning：Storage peripheral used to copy data onto a removable medium to facilitate retrieval in the event of loss.
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Wide area network

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