hold: 51 phrases in 16 subjects |
Aviation | 1 |
Economy | 6 |
Electric traction | 1 |
Electronics | 1 |
Environment | 1 |
Fishery fishing industry | 3 |
Food industry | 2 |
Forestry | 3 |
International Monetary Fund | 6 |
Law | 1 |
Microsoft | 17 |
Politics | 3 |
Power electronics | 1 |
Power system protection | 1 |
Telecommunications | 3 |
Telephony | 1 |