初步揭示了具体降水天气系统中的水循环过程和云水资源转化特征。
The results are helpful for explaining the characteristics of the water vapor cycle in a rainfall process.
分析了当前专业预报服务的现状，根据需要建立了一套完善的强降水、强对流天气动态监测、分析和预报服务系统。
We analyzed the actuality of professional forecasting service, and then constructed a perfect dynamic monitoring, analyzing and forecasting serving system for heavy rainstorm and severe convection.
从而使地形雨这一分量，可自大气环流、天气系统的降水量中分离出来。
Thus the variable of orographic rain is separated from the provision about atmospheric weather system.
不同的天气系统在不同季节对降水的贡献有所不同，其中西来槽类的降雨量和降雨日数均居首位，开展人工增雨催化作业机会最多；
The contribution of various weather systems to precipitation varies in different seasons, and the rainfall and the number of rainy days induced by the westerly trough are the greatest.
降水量及其时空分布取决于水汽来源、天气系统、地理位置和地形等条件。
The precipitation amount and its space-time distribution depend on the source of water, weather system, geographic location and terrain conditions.
主要结论是：来自北方的天气系统影响是广东前汛期降水的基本条件，而后汛期降水则以来自东南方向的热带系统为主。
The conclusions are as follows. The availability of Weather systems north of the province is necessary for precipitation of the first rainy season in Guangdong .
对不同天气系统降水其预报能力不同；
There is different forecast capacity under various synoptic systems.
对不同天气系统降水其预报能力不同；
There is different forecast capacity under various synoptic systems.
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