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| sicurezza f; sistema di riserva | |||
| back up; ricovero m; riserva f; salvataggio m | |||
| Riserva f | |||
| ricambio pronto | |||
| 英语 词库 | |||
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| Files, equipment, data and procedures available for use in the event of a failure or loss, if the originals are destroyed or out of service | |||
| back. | |||
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| .bak (file name extension); .bk! (file name extension, WordPerfect); .xlk (file name extension, Microsoft-Excel) | |||
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backup : 65 短语, 7 学科 |
| 信息技术 | 21 |
| 微软 | 31 |
| 机械工程 | 1 |
| 照明（电影院除外） | 1 |
| 电子产品 | 7 |
| 财政 | 2 |
| 通讯 | 2 |