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| 加温阶段; 原始阶段; 首端初始阶段; 起步阶段 | |||
| 初始阶段; 开始阶段 | |||
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| 初期 | |||
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| 初发期 | |||
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начальная стадия : 35 phrases in 9 subjects |
| Business | 1 |
| Education | 1 |
| Electronics | 5 |
| General | 14 |
| Geology | 1 |
| Medical | 4 |
| Missiles | 1 |
| Oilfields | 1 |
| Technology | 7 |
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