多 航向 | |
avia. | multiple courses |
WRU 信号 | |
IT | who-are-you |
Y信号 | |
IT | Y signal |
信号 | |
anim.husb. | signalment |
econ. | signals |
hydroel.st. | sign |
met. | annunciation; command; indication; signalling |
| |||
multiple courses |
多航向 : 6 phrases in 3 subjects |
Aviation | 2 |
General | 1 |
Remote sensing | 3 |