读写存储器 : 43 phrases in 14 subjects |
Air defense | 2 |
Automobiles | 2 |
Aviation | 1 |
Earth sciences | 1 |
Electronics | 10 |
General | 1 |
Information technology | 7 |
Mathematics | 1 |
Metallurgy | 2 |
Project management | 1 |
Semiconductors | 2 |
Space | 8 |
Technology | 2 |
Telecommunications | 3 |