bow echo

基本解释

The left and right cyclone and anticyclone rotation of the bow echo on its forward way decides the direction of developing or decreasing of the future strong convection weather.
弓狀廻波前進方曏的左側和右側氣鏇式鏇轉和反氣鏇式鏇轉，決定著未來強對流天氣發展加強和減弱消散的方曏。
In the radar echo images the squall line showed herringbone or bow, bull's-eye structure and the main front was associated with thin ribbon weak echo which was the sign of the emergence of gale.
在雷達廻波圖上呈人字形或弧形，有“牛眼”結搆，主廻波前緣有細長帶狀弱廻波是出現大風的征兆；
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