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|
electronic switching : 100 phrase in 21 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Automobiles | 10 |
| Aviation | 7 |
| Business | 1 |
| Communications | 1 |
| Earth sciences | 1 |
| Electricity | 2 |
| Electronics | 22 |
| General | 2 |
| Geophysics | 6 |
| Hydroelectric power stations | 1 |
| Information technology | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Power electronics | 3 |
| Shipbuilding | 3 |
| Space | 8 |
| Technology | 22 |
| Telecommunications | 2 |
| Wind Energy | 1 |