Some results are very useful to the research of the climatic background.
这些研究结果，对气候背景的研究是有益的。
The El Nio event in 1997~1998 offered the climatic background for the floods.
厄尔尼诺事件为这次长江流域夏季洪涝提供了气候背景。
This study was conducted in the aspects, such as, dry climatic background, circulation conditions, possible sand-dust sources, paths of sand transportation, and synoptic systems.
作者从干旱气候背景、环流状况、沙尘源、沙尘路径及天气系统等方面进行了分析，并集中对引发强沙尘暴的蒙古气旋进行了诊断分析。
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