 |
| |||
| period of availability | |||
| term of validity | |||
| tenn of validity; time of effect | |||
| effective duration | |||
| duration of validity | |||
| 有效 期 间: 14 phrases in 7 subjects |
| Business | 3 |
| China | 1 |
| Economy | 3 |
| General | 1 |
| International trade | 2 |
| Project management | 2 |
| Technology | 2 |
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