The hydrologicalyear was determined by long series rainfall data and the hydrological regime was predicated by considering time series method.
通过长系列的降雨资料确定了水文年，通过考虑时间序列预测了未来一段时期的水文状况。
2
South Korea is building other hydrological systems to mitigate such a release, but they won't be ready until next year.
韩国正在修建水利系统来缓解类似这样的开闸放水行动，但要到明年才能完成。
3
The paper forecasts the drought year of Liuhe river water system by the grey theory, and expatiates the basic method to forecast the stochastic hydrological elements by the theory.