| |||
backscatter | |||
back scatter | |||
back surface reflection | |||
back reflection; dorsal reflex; lumbar reflex |
背反 射 : 36 phrases in 9 subjects |
Air defense | 4 |
Aviation | 1 |
Electronics | 5 |
General | 2 |
Metallurgy | 9 |
Oil / petroleum | 1 |
Remote sensing | 1 |
Space | 4 |
Technology | 9 |