1) river length
河道长度
1.
Based on the Yellow River length data from 1976 - 1989, the river length increments until the year 2000 are predicted by this model under the colldition that the river course is unchanged.
提出不等时距的灰色模型ＧＭ（１，１）的建模方法，依据１９７６～１９８９年的现行黄河河道长度数据，假设在现行清水沟流路不变的前提下，利用该模型对２０００年前的黄河河道长度进行预测。
2) long watercourse
长河道
3) the Yangtse river
长江河道
1.
As a opening commonality area, the Yangtse river normal function has been disturbed and infracted by various social manufacture and living activities.
作为一个开放性的公共领域，长江河道的正常运行受到各类社会生产和生活活动的干扰与侵害。
4) length of dredging river
挖河长度
5) slope of river
河道坡度
6) channel width
河道宽度
补充资料：河道洪水演进(见河道洪水演算法)
河道洪水演进(见河道洪水演算法)
neaao non郎hUi河道洪水演进yanJ县n 见河道洪水演算法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条