 |
| |||
| 取样间隔时间 | |||
|
sampling interval time : 5 phrases in 4 subjects |
| Earth sciences | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 2 |
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