 |
| |||
| hourly observation; recording observation | |||
|
记录观测 : 26 phrases in 6 subjects |
| Agriculture | 3 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Space | 2 |
| Technology | 18 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips