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| 可变字段; 变长字段; 可变长字段 | |||
| 可变长度字段; 可变长度信息组 | |||
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| 可变长度字段 | |||
| 可变长度域 | |||
| 变长字段 | |||
| variable length field: 7 phrases in 5 subjects |
| Electronics | 1 |
| Information technology | 3 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 1 |
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