黄河流域面临两类洪水的威胁，即暴雨洪水和冰凌洪水。
There are two kinds of flood: rain gush flood and ice flood.
黄河冰凌洪水突发性强、涨势猛、持续时间长，产生的灾害有时更甚于暴雨洪水。
With the features of long duration, suddenly happening and rising, the ice flood in the Yellow River sometimes cause more intensive calamity than that of storm flood.
按成因和发生时间，将黑龙江省的洪水划分为三种类型：暴雨（降雨）洪水、融雪和雨雪融合洪水、冰凌洪水；着重论述了暴雨、洪水的时空分布特征以及暴雨洪水的稀遇程度等。
On the basis of genetic analysis and flood time, the flood in Heilongjiang was divided into three types, that is , storm(rain) flood, snowmelt and rain flood and ice flood in this paper.
按成因和发生时间，将黑龙江省的洪水划分为三种类型：暴雨（降雨）洪水、融雪和雨雪融合洪水、冰凌洪水；着重论述了暴雨、洪水的时空分布特征以及暴雨洪水的稀遇程度等。
On the basis of genetic analysis and flood time, the flood in Heilongjiang was divided into three types, that is , storm(rain) flood, snowmelt and rain flood and ice flood in this paper.
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