axis of low造句

• ( 2 ) the increase of rainfall is closely associated with the increase of the disturbance wind which often can be found before the increase of rainfall , so the increase of the nonlinear subcritical symmetric instability can make the rainfall increase . ( 3 ) heavy precipitation often occurs between the south of axis of upper jet at 200hpa and the north of axis of low jet at 850hpa
  ( 3 )降水区和暴雨中心主要位于200hpa高空急流轴南侧和85ohpa低空急流轴北侧之间;非线性亚临界对称不稳定与高空急流关系密切，它可能触发高空急流核的形成;它与低空急流关系也很密切，它的出现可能引起低空急流的出现。