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| 个人密码; 私人代码 | |||
| 个人［用户］代码 | |||
| 个人代码 | |||
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personal code : 9 phrases in 5 subjects |
| Aviation | 2 |
| Communications | 1 |
| Electronics | 3 |
| Technology | 1 |
| Telecommunications | 2 |
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