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identification characters | |||
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identification character |
标识 字符 : 26 phrases in 10 subjects |
Automobiles | 1 |
Aviation | 2 |
Data processing | 1 |
Electronics | 6 |
General | 1 |
Information technology | 6 |
Librarianship | 3 |
Multimedia | 2 |
Space | 2 |
Telecommunications | 2 |