查询词典 water area
- 与 water area 相关的网络例句 [注:此内容来源于网络,仅供参考]
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With the purpose of managing water resource effectively, using Shanghai watercourse data, Shanghai watercourse information system based on GIS is established by component technology and the implementation methods of its function modules are discussed in this paper. Based on these, GIS integrated technology is applied in water resource administrative area, which is important to utilize water resource reasonably and also can improve its management efficiency.
为了对水资源进行有效管理,以现有上海市的河道数据为依据,运用组件技术创建了基于地理信息系统的上海市河道变化信息系统的设计及各个功能模块的实现方法,在此基础上,进行了GIS系统集成技术在水资源管理领域的应用研究,这对于合理利用水资源、提高水资源的管理效率具有重要的理论意义和实际应用价值。
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The results show that the debris materials of the Shanxi Formation mainly are derived from Pre\|Cambrian metamorphic rock from the north part of the Ordos basin, two water systems control the material source of the Shanxi Formation, the middle\|west water systems in the research area have the same source, the east water system has another source, but they are affinitive.
结果表明神木地区山西组的物源主要来自盆地北部前寒武系变质岩,重矿物组合反映了山西组物源由2条水系控制,研究区内中西部水系来自于同一源区,而东部水系来自不同的源区,但是东西源区之间具有一定的亲缘性。
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But, in short-supplied area of water resource, the pair of mutually contradictious problems, including water trouble of being short and water disaster of being more, is perplexing people at the same time.
但在水资源紧缺地区,水少之患、水多之灾这对相互矛盾的问题却同时困扰着人们。
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A lot of surface water will be consumed in the course of drilling when adopting traditional drilling technology,and the trouble of lacking in water often occurs when drilling in droughty and water lack area .
传统的钻进工艺需要消耗大量的地表水,而干旱缺水地区钻探又经常会遇到缺水问题。
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When drilling with the new water-saving technology, the surface water almost will not be consumed, the strata not be disturbed and the drill penetration rate can be enhanced greatly, showing a nice future applied in droughty and water lack area.
该节水钻探新技术在钻进过程中基本不消耗地表水,且不扰动地层,并能显著提高机械钻速,在干旱缺水地区具有广阔的应用前景。
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Thirdly, The mathematics model of forecasting low flow was established in Fengcong and Fenglin regions according to these factors influencing the amount of low flow in karst drainage (the area of drainage, lithology, the type of landforms and its special assembly and forest)The conception of low water resources carrying capacity was firstput forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage (ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage.
根据喀斯特流域枯水资源的空间变化规律以及实际开发利用状况,首次提出了枯水资源承载力的概念,即在枯水季节期间,保持良性的生态环境和现有的技术条件下,某一区域内可开采的水资源量对支持该地区人口、经济与环境协调发展的能力和限度。
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The geothermic field has an area of 580 km 2 . Single well water flowing and hot water temperature differ with different geothermic storage condition and thickness. At the depths of 600~2 400 m, the single well water flowing of T...
地热田总面积580km2,热水温度、单井出水量视热储层的埋藏条件及累计厚度的不同而不同,在深度600~2400m范围内,推算古近系—新近系热储单井出水量在16.1~152.5m3/h,热水温度在40.19~66.8℃,可利用的资源量达44.426×1017J,具有十分良好的开发利用前景。
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The research of this thesis is under the circumstances that the international shipping center of Shanghai builds Yangshan deep water port project, first of all, through its SWOT analytical method analyze Shanghai maritime affairs situation, maritime affairs office existing boat policy, Yangshan deep water port hydrometeorological situation, analyze the present main ship type, to explain the background of the choice the ship the small waterline, to put forward the necessity of building small water-plane area twin hull maritime affairs patrol ships. Then, it introduces the principle, characteristic of the small waterline, and has analyzed the domestic and international state of development of the SWATH ship, and conclude that it is feasible to build SWATH maritime affairs patrol ship technical, through the research and analyze of design at home and abroad,; Then it analyzed the application of the SWATH ship in maritime affairs manage both at home and abroad, put forward the preliminary scheme, and carry on research to the economic performance of technology of the scheme, through putting forward the preliminary model of plan of design to main yardstick and selecting type of host computer finally after relatively optimize, and confirm design specifications .
本文的研究是在上海国际航运中心建设核心工程洋山深水港的大前提下,首先,通过利用SWOT分析方法分析了上海海事局面临的形势,对上海海事局现有航政管理船舶现状进行分析,对洋山深水港海域的水文气象情况进行了调研,对当前主要船型进行分析,对选择小水线面船的背景加以阐述,提出建设小水线面双体海事巡逻船的必要性:接着,对小水线面船的原理、特点加以介绍,并对小水线面船国内外发展状况进行了分析,对国内设计建造小水线面双体海事巡逻船的技术可行性进行了研究分析,得出国内设计建造小水线面双体巡逻船在技术上是可行的;然后对国内外应用于海事管理等工作的小水线面船型进行分析,提出初步的方案,并对方案的技术经济性能进行研究,通过对主尺度和主机选型等进行比较优化后最终提出初步的设计方案模型,并确定设计任务书。
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By analyzing the main factors of South-to-North Water Diversion 'impacts on Hebei water-received area from aspects of climatology, social-economy, ground water, soil, geological environment and hydrophilous biology, the paper will support decision making for sustainable eco-environment development of Hebei province.
南水北调工程的实施将缓解河北省长期缺水的严重局面,对其生态环境产生显著影响。
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A number of modern, large-scale water conservancy projects represented by Kizil Reservoir and the Ulug Ata key water control project in Hotan and large numbers of trunk and branch canals, as well as seepage control projects have been built, thus rapidly increasing the amount of water diverted, the capacity of the reservoirs and the well-irrigated area in the whole region.
以克孜尔水库、和田乌鲁瓦提水利枢纽等为代表的一批现代大型水利工程和大批干支渠及其防渗工程的建成,使全区的引水量、水库库容和有效灌溉面积迅速增加。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。