Global S&T Development Trend Analysis Platform of Resources and Environment
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| 当前检索式 | ((ALL：sunshine duration)) |
| 限定条件 | 无 |
| EurekAlert! 2 | Science X network 2 | Scientific American 2 |
| Environmental Monito 1 | EurekAlert 1 | European Space Agenc 1 |
| National Center of A 1 | Science 1 | Science Daily 1 |
| Scripps Institution 1 |
