介绍了急流槽病害的分类和成因，提出了急流槽病害的预防措施。
The paper introduces sorts and causes of torrent gutter disease, and brings forward some preventive measures.
由季风槽和ITCZ引起的加热，是影响急流强度重要的热力因子。
Therefore, the heating caused by the monsoon trough and ITCZ is an important thermodynamical factor affecting the intensity of the jet.
某些急流其最大风速中心常发现位于深低压槽的底端。
Individual jet maxima are frequently found at the tips of deep low-pressure troughs.
其中西伯利亚高压、极涡的位置、东亚大槽的强弱、极锋急流都差异显著，从而导致大连地区冬季气温的异常。
Moreover, it is found that Siberia High, East Asian Trough, Polar Front Jet and the location of Polar Vortices are notable different, causing winter temperature anomalies in DaLian.
主要影响系统为登陆台风、西风低槽和低空急流。
The main affecting systems include landfall typhoon, low-level jet stream and west trough.
低涡切变线、西南风低空急流、东风气流和地面倒槽是本次暴雨的主要影响系统，该地区维持高能，饱和，位势不稳定的小环境，有利于特大暴雨的产生和维持。
The following conclusions can be drawn. 1. The main influence systems of causing this heavy rainfall are southwest vortex, shear line and southwest low-level jet.
热带气旋北上时，存在第二类间接作用，不仅在东风急流下游能出现倒槽暴雨，还有利于热带气旋下游的副热带高压另一侧产生特大降水。
Second indirect effect is existed when tropical cyclone moves toward the north. The heavy rain-fall of inversion trough has not only arisen in downstream of easter…
热带气旋北上时，存在第二类间接作用，不仅在东风急流下游能出现倒槽暴雨，还有利于热带气旋下游的副热带高压另一侧产生特大降水。
Second indirect effect is existed when tropical cyclone moves toward the north. The heavy rain-fall of inversion trough has not only arisen in downstream of easter…
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