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SP |
Security : 66 phrases in 12 subjects |
Abbreviation | 35 |
Ecology | 1 |
Information technology | 5 |
International relations | 1 |
Microsoft | 1 |
Military | 12 |
NASA | 1 |
Security systems | 3 |
Telecommunications | 1 |
Transport | 2 |
United Nations | 1 |
United States | 3 |