| 1. | Back - scattering thickness gauge 反向散射厚度计 |
| 2. | Back - scattered ground roll 反向散射地滚波 |
| 3. | Back scattering correction 反向散射校正 |
| 4. | Back - scattering gauge 反向散射测量计 |
| 5. | Back scattering factor 反向散射因数 |
| 6. | Back scatter constant 反向散射常数 |
| 7. | Back - scattered noise 反向散射噪声 |
| 8. | Test methods of plating and coating thickness by beta backscattering for printed boards 印制板镀涂覆层厚度测试方法反向散射法 |
| 9. | Back scattering angle 反向散射角 |
| 10. | Back scattering wave 反向散射波 |