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| environmental research The study of the environment and its modifications caused by human activities (关于环境和由于人类活动发生的环境变化研究。) | |||
| environmental investigation | |||
| environment inquiry | |||
| environmental survey | |||
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| background investigation | |||
| 环境 调查: 28 phrases in 10 subjects |
| Business | 1 |
| China | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Environment | 1 |
| Life sciences | 1 |
| Name of organization | 1 |
| Technology | 18 |
| United Nations | 1 |
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