1.
In the upper reach the bed was dune covered and in the lower reach it was flat.
上游河段的床面为沙垄所覆盖，而下游河段则为平整床面。
2.
Severe water pollution has spoiled the ecosystem of the river,causing a fish kill.
严重的水环境污染破坏了河流水生生态系统,曾造成刁江中上游河段鱼虾绝迹。
3.
Analysis on influence of narrowed river channel in upper reaches on water flow of Luding reach
上游河道缩窄对泸定河段水流影响分析
4.
Characteristics of plankton community structure in Maqu section at upper reaches of Yellow River in spring
黄河上游玛曲段春季浮游生物群落结构特征
5.
I could see suspicious ripples at the upper end of the reach.
在那段河道的上游，我能看到令人生疑的小湍流。
6.
The Argument for Existance of Low water period in 1922～1932 on the Upper Yellow River
黄河上游1922至1932年连续枯水时段的探讨
7.
Regulation channel choice for the pebble shoals of branching reach with sharp bend shoal on the upper reach of the Yangtze River
长江上游急弯分汊河段通航整治汊道选择
8.
The Founding and Application of the Mixed Water-quality Probability Dilution Model of the Huaihe River From the Counties on the upper Reaches
淮河上游县城纳污河段水质概率稀释模型的建立与应用研究
9.
Effects of Riverbed Deposition and Water Consumption on Ecological Environment in Middle and Lower Sections of Upper Reaches of Mainstream of Tarim River
塔里木河干流上游中、下段河床淤积和耗水对生态环境的影响
10.
Changes of fishery resources after the construction of cascade hydropower stations from Longyang gorge to Liujia gorge in upper stream of Yellow River
黄河上游龙羊峡至刘家峡河段梯级水电站建设后鱼类资源变化
11.
DEDICATED HARD WORK CREATES MIRACLES,REFORM AND OPENING-CUP MAKES BRILLIANT ACHIEVEMENTS--A REVIEW ON HYDROPOWER CONSTRUCTION ON THE UPPER LONGYANGXIA-QINGTONGXIA REACH OF THE YELLOW RIVER
拼搏奉献创奇迹 改革开放造辉煌——黄河上游龙-青河段水电建设回眸
12.
River Channel Change of the Upper of Minjiang River by 5.12 Wenchuan Earthquake:A Case Study of the Section of Dujiangyan-Wenchuan
5.12汶川地震对岷江上游河道的影响——以都江堰—汶川河段为例
13.
navigate up [down] a river
沿河向上游[下游]航行
14.
A Preliminary Study on the Establishment of the Model for Predicting the Soil Erosion at the Upper Section of Lanzhou of the Yellow River
关于建立黄河兰州段上游水土流失预测模型的初步探讨
15.
Study on the ecological frangibility of the natural steppes in the lower reaches (upper section) of the Tarim River,Xinjiang;
新疆塔里木河下游(上段)地区天然草地生态脆弱性研究
16.
Study on the Flood and Tide Forecast of Tidal River and Upstream Reservoir Inference Operating Mode
感潮河段潮位与洪水预报及上游水库控制模式研究
17.
Influence of upstream flood control reservoirs on flood synthesis of Lijiang river section in Guilin city
漓江上游防洪水库对桂林市区河段洪水组合影响分析
18.
Analysis on longitudinal profile evolution of mid-reach of Huaihe River from Honghekou to Fushan
淮河中游洪河口至浮山河段纵剖面演变分析