 |
| |||
| 周时期 | |||
| 一段时间; 时段 | |||
| 时间周期 | |||
| period of time: 31 phrases in 13 subjects |
| Advertising | 1 |
| Aviation | 1 |
| Business | 2 |
| China | 14 |
| Economy | 3 |
| General | 2 |
| Management | 1 |
| Project management | 1 |
| Quality control and standards | 1 |
| Rail transport | 1 |
| Securities | 1 |
| Technology | 2 |
| Textile industry | 1 |
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