artificial echo
| path
| artificial echo | |
| earth.sc. tech. | écho artificiel |
| path | |
| earth.sc. | trajectoire des particules |
| el. | itinéraire |
| environ. | sentier |
| law | droit de passage à cheval |
| |||
| écho artificiel | |||
|
artificial echo : 3 phrases in 1 subject |
| Communications | 3 |