overhang echo造句

• The initial field of the model is the in situ observational data . combining the observational data by the doppler weather radar , the distribution and evolution of macro - physical as well as micro - physical variations such as wind field structure , radar echo structure , overhang echo , bound weak echo region , strong echo wall , water content , etc . in the storm were analyzed
  利用中国科学院大气物理研究所建立的完全弹性三维雹云数值模式，模拟了1996年6月29日发生在北京东北部京冀交界地区的一次强单体雹暴过程，并结合多普勒雷达探测资料，分析了风暴的流场结构，雷达回波结构特征，含水量场等宏微观物理量的分布及其演变。