| English | eng-000 |
| observational error | |
| 普通话 | cmn-000 | 观察误差 |
| 普通话 | cmn-000 | 观测误差 |
| English | eng-000 | error in observation |
| English | eng-000 | error of observation |
| English | eng-000 | malobservation |
| English | eng-000 | observation error |
| русский | rus-000 | ошибка наблюдений |
| русский | rus-000 | ошибка наблюдения |