 |
| |||
| secular perturbation | |||
| secular perturbation (航天器轨道运动的) | |||
|
长期摄动 : 4 phrases in 2 subjects |
| Aviation | 2 |
| Space | 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