 |
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| 类数 | |||
| 分类号; 类号 | |||
| 组数; 层号; 分类号码 | |||
| 类别号码 | |||
| 等级号码; 类别号; 组号; 针号; 缝针针号 | |||
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class number : 19 phrases in 12 subjects |
| Automobiles | 2 |
| Business | 3 |
| Earth sciences | 1 |
| Economics | 2 |
| Electronics | 1 |
| International trade | 1 |
| Law | 1 |
| Librarianship | 1 |
| Management | 1 |
| Statistics | 2 |
| Technology | 3 |
| Textile industry | 1 |