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shortage
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  短缺
    Study on Risk Management of Water Resources Shortage
    水资源短缺风险管理研究
短句来源
    Shortage and Governance: Economic Analysis on the Problem of Water Shortage in China
    短缺与治理:对中国水短缺问题的经济学分析
短句来源
    In the light of the serious situation of water resources shortage in Yuncheng City,this paper points out the problems existing in the development and utilization of the water resources,and advances some corresponding countermeasures.
    针对运城市日益严重的水资源短缺状况,指出水资源开发利用中存在的问题,并提出相应的对策和措施。
短句来源
    Therefore,besides relying on engineering measures,biological measures and virtual water strategy,the ultimate method for solving the water supply shortage is to change the present status.
    因此,解决水资源供需矛盾的方法除了依靠工程措施、生物措施和实施虚拟水战略外,最根本的在于改善目前的节水经济激励机制状况,建立节水激励机制,构建节水型社会,防止水资源污染及水土流失,最终解决水资源短缺的问题。
短句来源
    Based on the principle of support vector machine a model for assessing water shortage risk is proposed.
    本文阐述了支持向量回归机的算法原理,将风险评价归纳为一个支持向量回归问题,建立了基于支持向量机的水资源短缺风险评价模型和方法。
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  “shortage”译为未确定词的双语例句
    Research on the Irrigation Management Institutionof Seasonal Shortage of Water in South Irrigation District
    南方季节性缺水灌区管理制度研究
短句来源
    Respecting Groundwater Resources Planning and Management in Water Shortage City in Aboundant Rain Region.
    丰水型缺水城市地下水资源规划与管理
短句来源
    A Fundamental Measures against Water Resources Shortage in East Qinghai
    “引大济湟”工程是解决青海东部资源性缺水的根本措施
短句来源
    Easing the Urban Water Shortage through Utilization of Seawater
    利用海水解决城市淡水紧缺问题
短句来源
    Fuzzy synthetic evaluation on shortage of water resources: A case study on Chuxiong City of Yunnan Province
    水资源紧缺程度的模糊综合评判——以云南省楚雄市为例
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  shortage
The shortage in quantity and the limited life spans of primary cultured cells limit its widespread use in basic research.
      
In this century, China started facing five major challenges in the energy field: energy supply, shortage of liquid fuel, environmental pollution, green house gas (GHG) emission, and energy supply in rural areas.
      
Water shortage is one of the major water related problems for many cities in the world.
      
Progressive shortening of DNA of redusomes is proposed to result in cellular aging because of a constantly growing shortage of low-molecular-weight RNAs transcribed from redusomal genes.
      
At the same time, there is a shortage of actual experimental material, especially for flows in a boundary layer.
      
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The exploitation and utilization of water resources affects environmental development and quality. In the early 1970's water resource in Hai He and Luan He drainage basins was exploited and utilized very greatly, once the natural environment was changed enormously. In the past 35 years, the total storage of new reservoirs was 25.9 billion cubic meters, and areas of new agricultural irrigation was 100 million mu, at the same time questions of flood control and water supply in cities, industrial and mining areas...

The exploitation and utilization of water resources affects environmental development and quality. In the early 1970's water resource in Hai He and Luan He drainage basins was exploited and utilized very greatly, once the natural environment was changed enormously. In the past 35 years, the total storage of new reservoirs was 25.9 billion cubic meters, and areas of new agricultural irrigation was 100 million mu, at the same time questions of flood control and water supply in cities, industrial and mining areas were partly solved, About 10.17 million mu of saline-alkali soil were improved and 23 million mu of low-lying and frequently flooded land were treated in a comprehensive way The drainage conditions in the plain of China were improved and soil has been changed into drab soil. The distribution of water resources in time and space varied greatly. The average annual discharge to the sea has been decreased half as much as the amount of 21 billion cubic meters in 1965 Utilizing ratio of water resources increased from 23% in the 1950' s to 59% in the 1970's. Annual extraction of groundwater amounted to 17.8 billion cubic meters, Groundwater levels went down and infiltration of precipitation increased. The utilizable and effective water resources that changed from evaporation of groundwater by some rational ways amounted annually to about 2 bilion cubic meters per year. The changes in the elements of water balance gave rise to harmful changes in environment, the main aspects being as follows.( 1 ) Natural water area of river and lakes greatly decreased, and aquatic products and their quality were also decreased due to water pollution and construction of sluice gates.2 ) As drainge of waste water increased, the quality of surface water and ground water deteriorated. The most serious conditions were in the Long Yang He. Generally, the water quality of the first flood each year is very poor.( 3 ) The variation of runoff of rivers often gave rise to siltation of resar-voirs, river courses and estuaries.( 4 ) Exploitation of groundwater in depth made groundwater levels decrease greatly over large area and cause surface subsidence. For instance, the area of land subsidence in Tianjing was 2,308 square km and the highest subsidence was 2.04m. In some areas, deep groundwater contains heavy fluoride and alkali materals, having effects on human health, on soil and plant.( 5 ) Due to decrease of discharge in some rivers, shipping was reduced, indirectly affecting environmental quality.The main reason for harmful impacts on environment is the shortage of water resources. The water transfer from south to north is a strategic measure to solve questions of environmental water conservancy When we consider water supply to cities, industry and agriculture, we must simultaneously consider water supply for fishery, shipping, treatment of siltaion, protection of water quality and tourism We must prevent water pollution and do well for management of environmental water conservancy and assessment of environmental impacts.

水利工程设施对防治旱涝及人民生活起了重要作用,但也出现了对环境不良影响的环境水利问题并指出了解决这些问题的措施和意见。

Water resources and environmental problems brought about in developing and using them in the Jing-Jin-Bo Area are an important them of socio-economic development in the area.The condition of natural geography is briefly described and the water resources in the area is preliminarily calculated in the paper. According to the statistics,total amount of average annual water resources is 12,967 million m3 and the amount of average annual available water resources is 8,713 million m3 in the area which is one of the...

Water resources and environmental problems brought about in developing and using them in the Jing-Jin-Bo Area are an important them of socio-economic development in the area.The condition of natural geography is briefly described and the water resources in the area is preliminarily calculated in the paper. According to the statistics,total amount of average annual water resources is 12,967 million m3 and the amount of average annual available water resources is 8,713 million m3 in the area which is one of the regions in shortage of water resources in China.Environmental problems brought about in developing and using water resources (conspicuous contradiction between supply and demand, frequent drought or excessive rain, surface subsidence and water pollution) are elucidated on the basis of the analysis of temporal and spatial distribution characteristics of water resources.Some suggestions for rationally using and protecting water resources are presented. This paper can be used for, agricultural regionalization and regional planning in the area.

作者初步估算了京津渤地区的水资源,全区水资源总量多年平均为129.67亿立方米,可供水资源为87.13亿立方米。进而讨论水资源开发利用中的几个环境问题:供需矛盾突出、旱涝频繁、地面沉降和水源污染。并就如何合理利用水资源和保护水资源问题提出了建议。

In the Yangtze River Valley, the water energy resources is plentiful in its upper reaches and branch streams, but specifically rare in the lower reach regions. So, Sichuan Province, located in the upper reaches of the Yangtze River, is rich in water energy resources too, but the power shortage is still severe at present. To solve the intense contradiction, we must make the following things well: first, to combine the economy develcpment in the east with the exploitation of energy resources in the west...

In the Yangtze River Valley, the water energy resources is plentiful in its upper reaches and branch streams, but specifically rare in the lower reach regions. So, Sichuan Province, located in the upper reaches of the Yangtze River, is rich in water energy resources too, but the power shortage is still severe at present. To solve the intense contradiction, we must make the following things well: first, to combine the economy develcpment in the east with the exploitation of energy resources in the west closely in order to make them interdependent, intersupport, interpromotion and advance with same path: second, to act according to the principle of system engineering such as upper reaches is prior to lower reaches and branch streams to trunk streams, and not vice versa; third, to exploite the water energy resources on the upper reaches and branch streams in the first place to enable the old liberated, the minority nationality, the border and the poverty-stricken areas in the vast west China to take off the poor and get the rich and to become a strategic rear; fourth, to pay close attention to build the water storage projects on the upper reaches and branch streams of the Yangtze River to impel tapping all available potentialities and renovating the present water power stations for the urgent problems of power shortage in winter in whole valley and its neighbour areas to be solved.

整个长江流域,是上游和支流水能资源丰沛,而下游和干流地区的电力奇缺。地处长江上游的四川境内,水能资源虽得天独厚,但供电不足。解决这个尖锐矛盾:第一、必须把东部经济发展和西部能源开发紧密结合,同步进行,做到互相依存、互相支持、互相促进;第二、必须按系统工程的原理办事,先上游,后下游,先支流,后干流,切不可与此相反;第三、必须首先开发长江上游和支流的水能资源,使我国西部广大“老少边穷”地区脱贫致富,成为全国的战略后方;第四、必须抓紧建设长江上游和支流的蓄水工程,促使现有电站挖潜改造,彻底解决全流域和毗邻地区冬季缺电的迫切问题。保证这些决策顺利实现:1、要坚决实行大中小水电并举的方针;2、要坚决搞流域规划,实行梯级开发;3、要在开发长江上游水能资源的同时,尽快把四川省建成长江水源涵养林基地;4、要千方百计搞活经济,广开财路,为四川水电建设筹集资金。

 
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