| • surface observation | |
| भूतल: ground ground floor ground floor floor Earth | |
| प्रेक्षण: observation viewing | |
भूतल प्रेक्षण अंग्रेज़ी में
[ bhutal preksan ]
| • surface observation | |
| भूतल: ground ground floor ground floor floor Earth | |
| प्रेक्षण: observation viewing | |
