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文本源代码 |
document source : 22 phrases in 12 subjects |
Aviation | 2 |
Earth sciences | 1 |
Economy | 2 |
Information technology | 2 |
Logistics | 1 |
Project management | 2 |
Securities | 1 |
Space | 2 |
Statistics | 1 |
Technology | 4 |
Telecommunications | 2 |
Textile industry | 2 |