查询词典 headwater

We shall utilize comprehensively the theories and practices of hydrometry, ecology, environmental science and systematic engineering to divide the upper reaches of Li River into five sub-systems such as headwater forests, riverbed, changing volume in wet and/or dry seasons, faculties for retaining water and controlling flood, and the bearing capacity of the water resources so as to construct a systemic analysis framework for the research of this area.

综合运用水文学、生态学、环境科学、系统工程学等理论和方法，将漓江上游流域划分出水源林、河床、丰枯期水量变化、蓄水减洪设施、水资源承载力五个子系统，构建起漓江上游水资源的系统分析框架。

Improve the pollution prevention and protection of water resources of upper reaches of rivers and headwater areas.

加强江河上游和源头地区水资源的污染防治和保护工作。

In recent years, the agricultural nonpoint pollution has threatened the water quality protection of headwater area in reservoir.

近年来，农业面源污染对水库水源地的水质保护形成了威胁。

To meet the demand of power with fast economic development, the development of the hydraulic resources of low headwater has been taken into account.

为适应经济飞速发展对电力的需求，开发低水头水力资源已提到了议事日程。

In arid climates, surface water is generally better than ground water in headwater areas, but poorer downstream.

在干旱气候的上游区，地表水一般较地下水好，但下游的地表较差。

Therefore, systematically research on protection of headwater area of reservoir hasprofound and significant meanings.

在我国南方地区，伴随着社会经济的快速发展和城市化进程的迅速推进，许多河流的中下游河段由于点源和面源污染加剧而丧失了饮用水功能，河源区段的水库已经成为目前最重要的城市集中式饮用水供水水源。

The hiking trail started to become a rocky pass that eventually lead us to the headwater of this creek.

我们大概又走了一小时，到达了一个比较大而且也较深的水潭。

With the development of the national economy of our country, among the hydraulic resources that can be developed in economic developed coastal area and plain area, power stations of high and middle headwater have been developed completely step by step.

随着我国国民经济的发展，在经济发达的沿海地区和平原地区可开发的水力资源中，中高水头电站已逐步开发完毕。

Wonderful unique direction away from the mountain 15 kilometers Shihmen Gap Office, we will see in headwater Shihmen.

以独特奇妙的山体走向距石门峡15口公里处，便可看到石门河源头。

Recent two years,investigations have discovered that placer gold conceatrated in one class water system of Changjiang headwater.

近2年来，经地质调查和研究发现在长江上游一级水系中富集有砂金矿。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。