常見例句雙語例句Detection indicate, the range of gray forecast value includes several years actual generation hydrological year. Result is definitive reliability.檢騐表明，在灰預(yù)報值覆蓋的範圍內(nèi)包含有多年實際發(fā)生的水文年型，結(jié)果有一定的可靠性。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.文章通過利用灰色理論預(yù)測柳河水系的乾旱年，闡述了灰色理論預(yù)測隨機水文要素的基本方法。 返回 forecast of hydrological year