collocation | frequency |
---|---|
sustainable development | 5 |
earth observation | 3 |
aerospace engineering | 2 |
outer space | 2 |
improve life | 2 |
development goals | 2 |
united nations | 2 |
communication satellites | 2 |
satellites provide | 2 |
location information | 2 |
observation satellites | 2 |
space station | 2 |
space enabled | 2 |
collocation | frequency |
---|---|
sustainable development goals | 2 |
earth observation satellites | 2 |