查询词典 river basin

Other densely populated areas is to Frankfurt, Wiesbaden and the United States and other big cities because it is where the Rhine - the United States and from region to region, Mannheim and Ludwigshafen where the Rhine - Neckar River Basin industrial area, to Stuttgart for the Center for Economic Area, as well as Bremen, Dresden, Hamburg, Cologne, Leipzig, Munich and Nuremberg/Fuerth subsidiary District and other cities.

其他的人口密集地区是法兰克福、威斯巴登和美因兹等大城市所在的莱茵－美因地区、曼海姆和路德维希港所在的莱茵－内卡河流域的工业地区、以斯图加特为中心的经济区以及不来梅、德累斯顿、汉堡、科隆、莱比锡、慕尼黑和纽伦堡/菲尔特等城市的附属区。

There was conspicuous contradiction appeal between water supply and demand in the Yellow River basin in 1997 because of much less precipitation and runoff than nounal and no-flow in the lower reaches in 1997 was the most serious in the records.

1997年，由于黄河流域降雨、径流量较常年明显偏少，水资源供需矛盾十分突出，黄河下游出现了有资料记录以来断流最为严重的一年，利津站于2月7日开始断流，截止到12月31日，断流13次，共计226d，与有记录以来的历史资料比较，呈现出断流开始时间最早、恢复过流时间最晚、断流河段最长、断流次数最多、断流时间最长等特点。

A fish of the family Polyodontidae, having a long paddle-shaped snout, especially Polyodon spathula of the Mississippi River basin.

白鲟，匙吻鲟匙吻鲟科的一种鱼，有长的桨状吸盘，特别是匙吻鲟密西西比河流域的这种鱼

Taking systematic vigor, institutional structure, recuperability and serving functions as springboard, the index system of ecosystem health assessment in middle reaches of Hotan River Basin is established, which contains nineteen indexes and they are mainly constituted from four aspects as follows:ecological security, social development, environmental guarantee and population group health.

和田河流域中游生态系统健康评价指标体系的构建。以体现系统活力、组织结构、恢复力、服务功能作为出发点，构建了由生态安全、社会发展、环境保障、人群健康4个方面量度，19个单项指标组成的和田河流域中游生态系统的健康评价指标体系，基于AHP法的评价。

The carrying capacity of water resources and water environment in Yellow River basin is faced with a huge challenge, such as vegetation destruction, water and soil erosion, riverbed run-up, watercourse shrinkage, water shortage, frequency breakage flow, severity pollution, water quality deterioration, trace to the source and sendiment, coast erosion and regradation.

植被破坏、水土流失，河床抬高、河道萎缩，水源匮乏、频繁断流，污染严重、水质下降，朔源淤积、海岸蚀退等表明黄河流域水资源与水环境的承载能力面临着极大的挑战。

This information construction must remarkably raise the scientifical and technological content of the soil and water conservation in Yangtze river basin, promote further development of the work and better serve the society.

通过信息化建设，必将大大提升长江流域水土保持工作的科技含量，促进长江流域水土保持工作的进一步发展，更好地为社会服务。

The model was applied to analyzing the water quality for cascade hydropower stations in the Supa River basin, and the calculated values were compared with those by other methods.

以苏帕河梯级电站水质监测数据为例，对该模型进行了测试，并与其他方法进行了比较。

So during the process of hydroelectric development, the key of protecting the environment of Supa River basin is to control soil erosion and decrease the water demand for sediment transport.

因此，保护苏帕河流域生态环境的关键是在水电开发中防治水土流失，降低输沙需水量。

Based on the scope of aboveground biomass of two main types of steppe vegetation undegraded and degraded, we assessed steppe vegetation degradation rank with the unit of pixel, and compiled steppe degradation distribution map of the middle reach of Xilin River Basin.

以内蒙古锡林河流域中游为研究区，应用Landsat TM资料，结合地面生物量定位测定，建立草原地上生物量估产模型，应用Visual C++编程，估算了2000年7月中下旬锡林河流域中部草原地上生物量。

First, waer resoures are distributed to all regionsof a river basin, second, the waer resources of a region are re - distributed in space or time.

内陆河流域水资源的分配具有二层性，即流域内不同区域间的空间分配和同一区域内的时空分配。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失