upstream是什么意思

网络释义

用法例句

This paper analyzes on the riverbed evolution of the upper reaches mainstream of the Fenhe River, reviews the control situation of the stream channel, and analyzes on the main problems existing in the control starting from the embankment works and the roller-way project, and advances the tasks and principles of the control of the stream channel.

对汾河上游干流的河床演变进行了分析,回顾了河道治理情况,并从堤防工程、滚水坝工程出发,分析了治理中存在的主要问题,提出了河道治理的任务与原则。

To analyze the climate change of Lianhua Reservoir upstream valley nearly 40 years,the annual precipitation shows a slight rising trend,the average temperature of the whole year shows a remarkable warming trend,and the annual potential evaporation shows a slight decreasing trend.

分析了莲花水库上游流域近40 a的气候变化,结果表明年降水量呈略增加趋势,年平均气温呈非常显著的变暖趋势,年潜在蒸散量呈略减少趋势。

Upper Yangtze River Annual Runoff Analysis and Its Forecast;

长江上游干流区径流变化规律及预测研究

SULFUR ISOTOPE COMPOSITION OF RIVER CHANNEL AND RESERVOIR WATER IN UPPER REACHES OF WUJIANG RIVER IN HIGH FLOW SEASON

丰水期乌江上游干流水库—河流体系硫同位素组成

The Dynamics of Land Utilization inthe Upper reaches of Tarim River

塔里木河干流上游土地利用动态变化研究

Inestigation & Research on Hydrobios Resources in the Middle and Upper Reaches of Main Yellow River

黄河干流中上游水生生物资源调查研究

CUMULATIVE EFFECTS OF WATER TEMPERATURE BY CASCADE HYDROPOWER STATIONS BUILT ON UPPER AND MIDDLE REACHES OF THE WUJIANG RIVER

乌江干流中上游水电梯级开发水温累积效应

Impact analysis of upper boundary and tributaries on water quality of Suzhou Creek based on mathematical model

基于数学模型的苏州河上游和支流水质对干流水质的影响分析

Study on the Strategic Correlation between Water Transferring from Yalong River Mainstream and Water Conservancy and Hydro Development on Yalong River Upstream;

雅砻江干流调水与雅砻江上游水利水电开发的战略协同关系研究

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

Recent Variations in Water and Sediment in Relation with Reservoir Construction in the Upper Changjiang River Basin

长江上游干支流近期水沙变化及其与水库修建的关系

Ever coursing downward and ever renewed from above?

总是从上游流来又向下游流去么？

She had to swim against the current.

她必须逆着水流往上游.

Sail up a river, ie against the current

向上游航行（逆流行驶）

It has two tributaries in its upper reaches,

它的上游有两条支流，

The Ecological Tourism Exploitation Research of Fanggan Small Watershed Ecological Area;

房干小流域生态区生态旅游开发研究

Study on the tourism development of Jialing River main stream in Sichuan;

嘉陵江干流(四川段)旅游开发初探

On Building a System of Water Rights in the Stem Lower Yellow River;

黄河下游干流水权体系建设问题探讨

He works on the production line .

他在生产流水线上干活。

First, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel.

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。