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词语河段拆分为汉字：
河字的拼音、笔画、偏旁部首、笔顺、繁体字，河字字源来历，河字演变
水道的通称：～道。～沟。～谷。～流。～滩。～沿。～鲜（供食用的新鲜河鱼、河虾等）。～港。～湾。～网。～运。内～。特指中国黄河：～套。～防。指“银河系”：天～。～汉。……
段字的拼音、笔画、偏旁部首、笔顺、繁体字，段字字源来历，段字演变
事物、时间的一节：阶～。地～。片～。～落。工矿企业中的行政单位：工～。机务～。围棋棋手等级的名称：～位。古同“缎”，绸缎。古同“锻”，锻炼。姓。……
汉语拼音：hé duàn
The river reach from Zhu River to Shawanzhuang has no WEC, and is polluted. It should decrease the pollution load of this reach strictly.
洙河至沙湾庄河段已没有水环境容量，河水已受到较严重的污染，削减此河段的污染负荷势在必行。Therefore, this research has quite practical value for flood control in estuarine areas. The account of this paper is summarized as follows.
因此，感潮河段水位预报研究对河口地区的防洪减灾工作具有十分重要的意义。The average slope of long reaches of rivers must be constant over periods of a few years or decades.
河道长河段的平均坡降，必须是在若干年或几十年周期中为常数。This method is able to locate any section of drainage network directly and operate the topological relationship effectively.
这种编码方法能够实现任意河段的直接定位和高效的拓扑关系运算。The boat has the advantage that both ends of the boat can go forward at will in narrow gorge rivers so as to contribute to mobility.
本发明的有益效果是：在非常狭小的山峡河段，二头都能随意前进，有利于机动性。The ice flood is one of the serious natural disasters in the lower reaches of Yellow River.
凌汛是黄河下游严重的自然灾害之一，黄河下游天桥河段属于典型的弯曲窄河段，极易发生凌情。A stewardship society usually trains volunteers and tries to make sure it has all the critical stretches covered.
管理组织通常会训练志愿者，并试图确保项目已覆盖所有的重要河段。The profile of the new streambed shall be designed and constructed to maintain the flow at the retained stream sections in dry season.
新河床水平的设计及建造，须确保被保留河段的水流，在旱季得以维持。The improved Pinghu method is an important method for hydraulic computation of sluice in the drainage programming of the tidal reach.
改进平湖法是排涝规划中感潮河段水闸水力计算的重要方法。