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data service unit | |||
data service units | |||
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ATM data service unit | |||
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data service unit |
数据 服务 单元 : 22 phrases in 7 subjects |
Air defense | 1 |
Artificial intelligence | 1 |
Electronics | 5 |
Information technology | 4 |
Multimedia | 1 |
Space | 4 |
Telecommunications | 6 |