| |||
| face count | |||
| |||
| absorption cross-section; effective area | |||
| measured surface; effective surface | |||
| |||
| partial effective area of an antenna for a given polarization and direction | |||
|
surface effectif : 14 phrases in 6 subjects |
| Communications | 2 |
| Electronics | 2 |
| Life sciences | 4 |
| Mechanic engineering | 1 |
| Semiconductors | 1 |
| Technology | 4 |