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| 恒速阶段 | |||
| 恒等速率阶段 | |||
| constant rate period: 14 phrases in 10 subjects |
| Agriculture | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Electronics | 1 |
| Management | 1 |
| Oil / petroleum | 1 |
| Reliability | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 1 |
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