Flood and waterlogging洪涝 Relation between flood and waterlogging in Jilin Province and solar 23 cycle;太阳活动第23周与吉林省洪涝关系 ..
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Water system changes, reclaiming farmland from lakes, etc, made a serious threat to flood and waterlogging control.
水系格局改变、围湖造田等这对于防洪除涝造成严重威胁。
With Shanghai City as an example, the basic principle and method for compiling the flood and waterlogging risk map were discussed.
以上海市为例，对风险图绘制的基本原理和方法进行探讨。
China is a large country with complicated natural conditions and often suffered from different natural disasters, especially flood and waterlogging.
中国国土辽阔，自然地理条件复杂，是一个自然灾害发生较频繁的国家，尤其是洪涝灾害。
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