 |
| |||
| echoing area | |||
| |||
| scattering cross section of an antenna; scattering area of an antenna | |||
|
surface de diffusion : 14 短语, 3 学科 |
| 地球科学 | 9 |
| 电子产品 | 3 |
| 通讯 | 2 |
|
| |||
| echoing area | |||
| |||
| scattering cross section of an antenna; scattering area of an antenna | |||
|
surface de diffusion : 14 短语, 3 学科 |
| 地球科学 | 9 |
| 电子产品 | 3 |
| 通讯 | 2 |