本文将广西易涝区分为沿江低地型，河口区低地型及喀斯特谷洼地型三大类。
The areas where are liable to waterlogging in Guangxi are divided into three types:low lands along the rivers, low lands in the river mouth areas and the karst valleys and depressions.
结果显示本区气候总体冷期易旱、暖期易涝，显示季风气候区的特征。
It is revealed that droughts often occur in the cold periods while floods in the warm, indicating the monsoon climate change.
本文应用系统分析理论，为圩区除涝系统最优规划提出了一种非线性规划数学模型。
Applying the theory of system analysis to optimal planning of drainage systems for preventing waterlogging, the authors propose a mathematical model of nonlinear programming.
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