自然灾害是指大气、地质或水文等因素造成的灾变，包括地震、火山爆发、泥石流、海啸、洪水和干旱等。
Natural disasters are catastrophic events with atmospheric, geologic, and hydrologic origins. Disasters include earthquakes, volcanic eruptions, landslides, tsunamis, floods, and drought.
本文对有关情况进行了分析，并对如何改进高要水文站洪水预报方法进行了改进研究，取得了比较满意的成果。
By analyzing the concerned conditions, this paper makes a study on how to improve the methods of flood forecasting at Gaoyao Hydrometric Station, and obtains the satisfied results.
流域水文预报模型的参数率定是洪水预报中非常重要和困难的工作。
The parameter identifying of the hydrology forecasts model is very important and difficult work in the flood forecasting.
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