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| fichier de sécurité (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) | |||
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security file : 6 短语, 3 学科 |
| 信息技术 | 4 |
| 法律 | 1 |
| 财政 | 1 |