随机性扰动是造成空中流量管理延迟的一个重要因素，如危险天气。
A important factor of the delay in the air traffic management systems arises from the stochastic disturbances such as heavy weather.
通过一次江淮流域暴雨天气过程的分析，发现在对流层低层存在一种中间尺度扰动。
Using the analyses of weather process of an heavy rainfall system, it is found that there is a mesoscale disturbance in the lower troposphere over Yangzi-Hwai valley.
通过一次江淮流域暴雨天气过程的分析，发现在对流层低层存在一种中间尺度扰动。
Using the analyses of weather process of an heavy rainfall system, it is found that there is a mesoscale disturbance in the lower troposphere over Yangzi-Hwai valley.
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