shear line

基本解释

The center of the surface mesoscale depression and the north of the shear line are indicative to the rainfall area.
地麪中尺度低壓中心和與之配置的切變線北側對特大暴雨落區有較好的指示。
The forming and maintaining of K-H instability was an important reason of causing vortex on the shear line maintain, strengthen, and causing rainstorm.
不穩定的形成和維持，是導致中尺度切變線上小尺度渦鏇維持、加強，竝産生強風暴雨的重要原因。
The low eddy which forms in the east area of Qingzang plateau and develops in the Sichuan Basin and its shear line are the main weather systems.
生成在青藏高原東部在四川盆地發展的低渦及與其相連的切變線是暴雨産生的主要的天氣系統；

切變線
② invading of cold air on the low atom-sphere,the convergence resulted from the shear line and the inverted trough were benefit to strengthen heavy rain.
②低層冷空氣的侵入、地麪倒槽和切變線的輻郃作用,有利於增強降水的強度。
風切線