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保 护带 : 58 phrases in 28 subjects |
| Agriculture | 4 |
| Air defense | 2 |
| Automobiles | 3 |
| Aviation | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electric machinery | 2 |
| Electronics | 4 |
| Exhibitions | 1 |
| General | 1 |
| Genetics | 3 |
| Geography | 1 |
| Gymnastics | 3 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| International trade | 1 |
| Multimedia | 1 |
| Name of organization | 3 |
| Nautical | 1 |
| Nuclear physics | 1 |
| Polymers | 1 |
| Power electronics | 2 |
| Rugby football | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Sports | 1 |
| Technology | 13 |
| Textile industry | 1 |
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