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·A large amount of fertile soil is eroded at the lower reach of the river every year.
河的下游每年都有大量的肥沃的土壤被侵蚀。
3·We have set up numerous enterprises such as Foxconn in the cities on the lower reach of the river.
我们已经建立了众多的企业如富士康在城市对下游的河道。
4·So far as the lower reach of the river were not flooded, shrimps would always be available for food.
到目前为止，这个下游河虾没有被淹没，总是可以提供食物。
5·Qiaogong Hydropower Station falls on the lower reach of Hongshui river, the key river section for navigation.
桥巩水电站位于红水河下游，是该河流的重要水运段。
6·The Datong Hydrological station in the lower reach of the Yangtze River, has recorded the highest water levels since 2003.
大同水文站在扬子江下游河段采集到自2003年以来最高的水位。
7·The fluctuating pressure in joints of the bed rock may be a main factor to destroy the bed rock lower reach of a high dam.
高坝下游基岩缝隙内的水流压力脉动是可能造成基础破坏的一个基本因素。
8·Once it is attacked by the enemy, we would have energy-supply problems and people on the lower reach of the river would suffer.
一旦它被攻击敌人，我们会有能源供应问题和人们对下游河水会受到影响。
9·The number of species and total individuals of zooplankton decrease with the increasing chlorinity from the upper to the lower reach.
因此，所获浮游动物中，多数优势种类是广盐性种类。而且，从上游至下游各站位的种类数和个体数随着氯度的增高而减少。
10·This paper evaluates the water quality in the middle-and-lower reach of Han River by means of Set Analysis Method and Fuzzy Mathematics.
分别应用集对分析法和模糊数学方法对汉江中下游河流水环境质量进行评价。