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| Kennwortdatei f; Sicherheitsdatei f | |||
| Sicherheitsdatei f (A file that contains a digital code that makes it possible to seal messages or to add a digital signature to messages. This file can be stored on a 3.5-inch disk or on your computer's hard disk) | |||
| Security file: 5 短语, 2 学科 |
| 信息技术 | 4 |
| 财政 | 1 |