1·The concentration of suspended particles in water can be estimated by inversion of the backscatter intensity with the acoustic telemetering system.
声遥测水中悬浮粒子（如泥沙）的反向散射强度，可反演获得粒子浓度。
2·Thee research results show that path loss models of backscatter RFID systems are differ from traditional wireless communication systems.
研究结果表明，反向散射RFID系统的路径损耗模型和传统无线通信系统的路径损耗模型有所区别。
3·Some U. s airports will soon begin using what's known as "backscatter X-ray technology" to scream screen passengers.
美国的一些机场很快将开始使用一种所谓的“反向散射X射线技术”对乘客进行检查。