常見例句雙語例句Based on fractal theory, time sequence of inundated area of cropland due to flood disaster from 1950 to 1997 are studied.運用分形理論對1950~1997年我國洪澇災害農田成災面積序列進行了研究。Empirical mode decomposition(EMD)method was used to study the fluctuation of inundated area of flood disaster from 1949 to 2002 in Hunan Province.應用經驗模態(tài)分解(EMD)方法分析了湖南省1949~2002年洪澇災害成災面積波動情況。The results indicate that flood disaster systems have fractal characteristics, average time-scale of forecasting inundated area of cropland is 8~9 year.分析結果表明,洪澇災害系統(tǒng)的變化具有分形特征,農田成災面積時間序列的平均可預測時間尺度為8~9年;權威例句But that is a third of the area that the original dam would have inundated.ECONOMIST: Energy in Brazil 返回 inundated area