RATIO | |
abbr. astronaut. | radiotelescope in orbit |
abbr. avia. | radio telescope in orbit |
abbr. el. | radiotelescope in orbit |
abbr. space | radio telescope in-orbit |
O&G | ratio set block |
Ratio | |
math. abbr. | R |
ratio | |
abbr. oil | ion |
ground: 3 phrases in 2 subjects |
Abbreviation | 2 |
Transport | 1 |