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mask feature : 151 phrases in 15 subjects |
Abbreviation | 110 |
Aviation | 1 |
Computer networks | 1 |
Computers | 1 |
Electronics | 8 |
Information technology | 8 |
Mass media | 2 |
Medical | 1 |
Military | 3 |
Physiology | 1 |
Programming | 11 |
Religion | 1 |
Software | 1 |
Sports | 1 |
United States | 1 |