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| reservation station | |||
| standby station | |||
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备用站 : 22 phrases in 10 subjects |
| Aviation | 1 |
| Cryptography | 1 |
| Ecology | 1 |
| Economy | 1 |
| Electric machinery | 1 |
| General | 2 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 2 |
| Technology | 9 |
| Telecommunications | 1 |
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