根据地面冷空气入侵陕西的路径分析，将造成陕西强沙尘暴天气的冷空气路径分为西路、西北路、北路三条。
According to path analysis upon the invading cold air on surface, the cold air paths causing heavy sand storm processes in Shaanxi are divided into the west, the northwest, and the north way.
本文从统计低温多雨的冷空气路径、源地和移速入手，找出主要影响系统为贝加尔湖北部及雅库茨克的阻塞高压。
In this paper, by the statistical analysis of the path, source and moving velocity-of the cold air, blocking high on the north of Baikal and Yakutsk was shown to be the main system of influence.
而对于典型的双管系统，则由两条区域送风路径(一条用于热空气、一条用于冷空气)和一条区域回风路径组成。
A typical dual duct system would have 2 zone supply air paths - one for the hot air and one for the cold air - and 1 zone return air path.
冷空气影响路径分为西北路径和偏北路径。
The influence ways of the cold air were western way and north way.
由于AO为负值，东亚冬季冷空气活动强且路径偏东，使得达到西南地区冷空气偏弱。
This cased an obviously negative phase of the AO and brought strong winter monsoon and eastward tracks of cold waves into East Asia, which led to a weakening of cold air arrived in Southwest China.
由于AO为负值，东亚冬季冷空气活动强且路径偏东，使得达到西南地区冷空气偏弱。
This cased an obviously negative phase of the AO and brought strong winter monsoon and eastward tracks of cold waves into East Asia, which led to a weakening of cold air arrived in Southwest China.
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