Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：来源平台 |
| 当前检索式 | ((ALL：Cavities)) |
| 限定条件 | ((发表日期：2020)) |
| EurekAlert 24 | Science Daily 11 | EurekAlert! - Earth 9 |
| CNRS News 2 | EurekAlert! 2 | European Space Agenc 2 |
| Commonwealth Scienti 1 | German Aerosapce Cen 1 | WEF Stormwater Repor 1 |
| World Wide Fund for 1 |
