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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 |
class number : 18 phrases in 11 subjects |
Automobiles | 2 |
Business | 3 |
Earth sciences | 1 |
Economics | 2 |
Electronics | 1 |
International trade | 1 |
Librarianship | 1 |
Management | 1 |
Statistics | 2 |
Technology | 3 |
Textile industry | 1 |