 |
| |||
| back-scattering technique | |||
| over-the-horizon backscatter | |||
| back-scattering; backscattering | |||
| backscatter; backscattered radiation | |||
| back scattering; back-scatter | |||
|
retrodispersion : 38 短语, 13 学科 |
| 一般 | 1 |
| 化学 | 1 |
| 地球科学 | 1 |
| 声学 | 2 |
| 天线和波导 | 6 |
| 技术 | 4 |
| 无线电定位 | 1 |
| 核物理 | 2 |
| 气象 | 1 |
| 测量仪器 | 8 |
| 电子产品 | 5 |
| 通讯 | 5 |
| 遥感 | 1 |