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.
弓状回波前进方向的左侧和右侧气旋式旋转和反气旋式旋转，决定着未来强对流天气发展加强和减弱消散的方向。
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.
在雷达回波图上呈人字形或弧形，有“牛眼”结构，主回波前缘有细长带状弱回波是出现大风的征兆；
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