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寿命试验 : 76 phrases in 19 subjects |
| Air defense | 1 |
| Automobiles | 8 |
| Aviation | 4 |
| Business | 2 |
| Chemistry | 1 |
| Construction | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electric machinery | 6 |
| Electronics | 10 |
| General | 4 |
| Hydroelectric power stations | 2 |
| Information technology | 1 |
| Metallurgy | 1 |
| Plastics | 3 |
| Space | 12 |
| Technology | 15 |
| Telecommunications | 1 |
| Wind Energy | 2 |
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