And limited water cut of heavy oil reservoir by water flood curve method is studied, establishing the correlation of water cut vs average oil production of single well.

对确定稠油油藏水驱曲线方法的极限含水率进行了研究，建立了含水率与平均单井日产油关系式。

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It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.

把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。

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Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.

基于推求的洪水位频率曲线，将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。

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Mortgages are bumping along at or near multi-decade lows and a flood of Treasury bond buyers has led to a very appealing yield curve for corporate and government borrowers.

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