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| decimal classification | |||
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| decimal classification | |||
| 十进 分类法: 23 phrases in 13 subjects |
| Business | 1 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Information technology | 4 |
| Librarianship | 4 |
| Mathematics | 1 |
| Name of organization | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 2 |
| Textile industry | 1 |
| Work flow | 1 |
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