| |||
directivity of an antenna | |||
antenna directivity; directivity of antenna |
天 线方向性 : 32 phrases in 10 subjects |
Air defense | 4 |
Antennas and waveguides | 1 |
Aviation | 3 |
Communications | 1 |
Electronics | 3 |
General | 2 |
Oil / petroleum | 2 |
Space | 7 |
Technology | 5 |
Telecommunications | 4 |