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代码信息单位 | |||
码位; 代码单位 |
code bit : 23 phrases in 13 subjects |
Aviation | 1 |
Business | 1 |
Communications | 1 |
Drilling | 1 |
Economics | 1 |
Electronics | 3 |
Information technology | 2 |
Management | 1 |
Mathematics | 1 |
Oil / petroleum | 1 |
Space | 3 |
Technology | 3 |
Telecommunications | 4 |