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指示系统; 指标体系 |
indicator system : 63 phrases in 15 subjects |
Air defense | 1 |
Automobiles | 4 |
Aviation | 25 |
Business | 4 |
Cryptography | 1 |
Ecology | 2 |
Economy | 1 |
Electronics | 2 |
International trade | 1 |
Name of organization | 1 |
Nautical | 2 |
Space | 5 |
Technology | 12 |
Telecommunications | 1 |
United States | 1 |