降水回波 meaning in English

precipitation echo

And such zones act as an important dynamic condition for low - level water transfer and also a favorable environmental condition for " seeding - water supply " . there stronger echoes are detected , meaning that bubble convection develops in the precipitating fields of the clouds that are homogeneous in the main , causing centers of > 10 mm / hr surface rainfall to occur and migrate
这些不稳定区是低层水汽输送摘要重要的动力条件，也是“播撒一供应”机制发生的有利的湿热力环境条件，云系较强降水回波在这里得到发展，使整体均匀的冷锋层状云系降水场有较强回波带和对流泡发展，带来地面有> 10mmlh较强降雨中心产生和移动。