 |
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| absorption cross-section; effective area | |||
| measured surface; effective surface | |||
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| face count | |||
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| partial effective area of an antenna for a given polarization and direction | |||
|
surface effective : 15 phrases in 7 subjects |
| Communications | 2 |
| Electronics | 2 |
| Life sciences | 4 |
| Mechanic engineering | 1 |
| Nuclear physics | 1 |
| Semiconductors | 1 |
| Technology | 4 |