 |
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| development activity | |||
| development work | |||
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| developmental work; development work; engineering work | |||
| 开发工作: 18 phrases in 11 subjects |
| Automobiles | 1 |
| Business | 1 |
| China | 6 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 2 |
| Health care | 1 |
| International trade | 1 |
| Name of organization | 1 |
| Technology | 1 |
| United Nations | 2 |