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水面面积
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  water area
     and from 1987 to 2002,water level of Bosten Lake keeps continual rise with an annual average ascendt of 0.32 m and the water area increase of 30.3km2 corresponding to the water level rise.
     1987—2002年,博斯腾湖水位持续上升,平均每年上升0.32m,水面面积增加30.3km2。
短句来源
     From the existing measured data,the water level and area of Bosten Lake changes have two main phases:from 1971 to 1987,water level of Bosten Lake keeps continual decline with an annual average descent of 0.2 m and the water area reducetion of 11.8km2 corresponding to the water level decline;
     有实测资料以来,博斯腾湖水位和面积变动大概有2个主要阶段:1971—1987年,博斯腾湖水位持续下降,平均每年下降0.2m,水面面积减少11.8km2;
短句来源
     Influence of Water Area of Surge Tank on Stable Operation of Hydraulic Turbine
     调压井水面面积对水轮机稳定运行的影响
短句来源
     But the channel density and the water area is large, the storage capacity of river network is large.
     但由于河流众多,水面面积大,河网的调蓄能力也相当可观.
短句来源
     According to the traditional water monitoring and remote sensing technology,the author calculates the water area and builds the water surface-water capacity model.
     基于遥感技术并结合常规的水文数据模型构建,在计算水库水面面积的基础上,利用实地水文观测数据,建立水库面积~库容模型,进行水库水资源的定量测算。
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  water surface area
     With the rainwater,greenbelt and hardened surface as study case,and according to the different precipitation scheduled time,the rainwater's infiltration and runoff modulus of different proportion collecting water surface area and different concave depth greenbelt are analyzed. Then,the comparatively obvious result is obtained by calculating and analyzing the data that the effect on sluice-stopping and infiltration rainwater is distinct by adopting concave greenbelt,and the potential of rainwater-using is enormous.
     以雨水、绿地和硬化面为研究对象,根据不同降水重现期来分析不同比例集水面面积比例和不同下凹深度的绿地对雨水的入渗和产流系数,通过数据计算和分析,得出比较明显的结果,采用下凹式绿地对滞蓄和入渗雨水效果显著,雨水资源利用的潜力巨大。
短句来源
  “水面面积”译为未确定词的双语例句
     Lashihai is the largest plateau lake in Lijiang county, Yunnan province. The area is 9. 33 km2 only.
     拉市海是云南省丽江县境内最大的高原湖泊,常年水面面积仅有9.33km2。
短句来源
     The technology and method were presented for building ecological water storage basin on coastal saline land,with water plane area of 15 hm~2 being completed.
     提出了在滨海盐地上创建生态型水源地的技术方法,并建成了水面面积为15hm2的生态型水源地。
短句来源
     In wood and shrub habitat, bird species number and density had positively correlated with the vegetation diversity and the total area of shrub, the bird diversity and biomass had positively correlated with the total area of orbor and the negative correlation with intensity of human;
     芦苇沼泽生境中鸟类种类、鸟类多样性、生物量均与栖息地类型多样性、以及水面面积呈正相关,而芦苇沼泽生境中鸟类种类与人类活动强度呈负相关; 稀树灌丛生境中鸟类种类、鸟类密度与植被多样性和灌丛覆盖率呈正相关,鸟类多样性和生物量与乔木覆盖率呈正相关,与人类活动强度呈负相关;
短句来源
     Gehu Lake is a macrophyte type shallow lake located in the Taihu Lake groups in the southeast plain to Changzhou City, Jiangsu Provence, with an area of 164 km2, and an average depth of 1. 26m.
     滆湖位于江苏省常州市西南13km处,水面面积164km~2,平均水深1.26m,是太湖湖群的重要组成部分。 其氮、磷平衡研究结果表明:①入湖氮、磷总量分别为4120.29t/a和270.03t/a;
短句来源
     The result can provide the scientific basic way of the forest ecosystem construction and environment monitor for Xiamen City.
     结果表明:把森林引入城市,建立以森林为主体的厦门市森林生态网络体系,加大植被覆盖与水面面积,是改善城市热岛效应,提高厦门市森林生态网络体系建设质量的一个重要措施。
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  water area
Petroleum exploration in the deep-water area is to start in the Baiyun sag in the basin.
      
Drilling results have indicated that the pore pressure is hydrostatic in shallow-water area.
      
The mud diapirs found in the Baiyun sag indicate that there may be overpressure in the deep-water area.
      
The pressure release and associated hydrocarbon migration occurred primarily during the Dongsha movement, when most of the overpressure was released to hydrostatic pressure except for some overpressure in the deep-water area.
      
(2) Both the measured pressure and the modeling results indicate that the pore pressure is hydrostatic pressure in the shallow-water area.
      
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  water surface area
This occurs across the tissue with the largest body-to-water surface area, the gill.
      
(2) The ratio of land area to water surface area in the Tennessee Valley averages about 30, whereas it is 15 in the upper Midwest and 6 in Florida.
      
The two intermittently open lagoons were found to support number of species in the latter and also its greater water surface area.
      
Contemporary changes in open water surface area of Lake Inle, Myanmar
      
little open water surface area during the dry season.
      
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The eco-environmental problems in the agricultural practice of Bortala Mongo- lian Autonomous Prefecture are: 1.destruction of a large area of desert vegetation, 2.drying of Aibi lake, 3.overgrazing of grassland, 4.extension of salinization and alkalimization, 5.deficiency of the nutrients for the crop in some farmlands, 6.increasing in natural calamities,.To aolve these problems, following straregies must be tacken: 1.the agricultural production of this prefecture should be arranged in a comprehensive way and...

The eco-environmental problems in the agricultural practice of Bortala Mongo- lian Autonomous Prefecture are: 1.destruction of a large area of desert vegetation, 2.drying of Aibi lake, 3.overgrazing of grassland, 4.extension of salinization and alkalimization, 5.deficiency of the nutrients for the crop in some farmlands, 6.increasing in natural calamities,.To aolve these problems, following straregies must be tacken: 1.the agricultural production of this prefecture should be arranged in a comprehensive way and a long term plan for agriculture production should be made out. 2.the agricultural production distribution should be modified and the crop structure management system should be optimized, 3.the desert vegetation should protected by an effective measures, 4.the native grassland should be improved and 5.the consumption of water resource should be controlled in order to maintain the water balance of Aibi lake.

博州农业生产的环境问题集中体现在:1、大面积荒漠植被遭到破坏;沙化面积不断扩大;2、河流断流,艾比湖急剧干缩,湖滨生态环境日益恶化;3、草场超载过牧,管理落后,退化现象严重;4、灌溉制度不合理,土地盐渍化面积较大;5、土地重用轻养,地力下降;6、灾害性天气增多,危害加剧。为切实解决上述问题,必须采取以下对策:1.统筹安排农业生产,制定一个长远的发展计划;2.修正现行的农业生产布局,优化作物结构和管理体制;3.采取有效措施,保护荒漠植被:4.加速天然草场改良,大力发展平原林草业;5.控制平原农区的用水量,维持艾比湖现有的水面面积

An analytical method is developed to investigate equilibrium cross-sectional areas of tidal inlet systems. The equilibrium can be related to tidal characteristics,tidal prism, freshwater input from rivers and sediment transport patterns. The method is used to identify the equilibrium conditions in Yangpu Harbour, Hainan Island. The mean tidal prism is estimated on the basis of the relationship between the basin hypsometry and characteristic tidal water levels. The rate of longshore sediment transport is calculated...

An analytical method is developed to investigate equilibrium cross-sectional areas of tidal inlet systems. The equilibrium can be related to tidal characteristics,tidal prism, freshwater input from rivers and sediment transport patterns. The method is used to identify the equilibrium conditions in Yangpu Harbour, Hainan Island. The mean tidal prism is estimated on the basis of the relationship between the basin hypsometry and characteristic tidal water levels. The rate of longshore sediment transport is calculated based upon a CERC formula and use of 1977-1979 wave data. For determination of sediment transport rates due to flood and ebb tide currents, the Gadd equation is modified through a definition of the frequency distribution function of current speeds within the harbour entrance. Thus, an equilibrium cross-sectional arca of 5 800m2 for Yangpu Harbour is obtained. The result indicates a much smaller error introduced by the approach developed here than by the O'Brien method.

将汊道均衡与潮汐特征、纳潮量、淡水径流量及沉积物搬运格局相联系,确定了洋浦港的均衡条件2根据纳潮盆地的水面面积一水面高程曲线以及相关的特征潮位估算平均纳潮量;利用1977-1979年波浪观测资料和CERC公式计算沿岸输沙率;此外,还用改进的Gadd公式确定口门涨、落潮流输沙率,计算中引入汊道口门流速频率分布函数的定义。由此而得洋浦港均衡过水面积为5800m2,与O’Brien方法所得结果相比,本文方法所引起的相对误差显著减小。

Junshan Lake was one of son-lakes in Poyang Lake. In 1958, it was sparated by dams.It covers an area of about 213 square kilometres in flood-season. A survey yields the sum total of 31 species, belonging to 24 genera and 19 famities. The distribution of the plants exhibirs irregular zonation and it may be grouped into 3 plant zones and 7 communities. It has a peak average biomass of 1311g/m2(met weignt) during August. Annual production of aquatic vegetation in the entire lake area amouts to 279694 metric tons...

Junshan Lake was one of son-lakes in Poyang Lake. In 1958, it was sparated by dams.It covers an area of about 213 square kilometres in flood-season. A survey yields the sum total of 31 species, belonging to 24 genera and 19 famities. The distribution of the plants exhibirs irregular zonation and it may be grouped into 3 plant zones and 7 communities. It has a peak average biomass of 1311g/m2(met weignt) during August. Annual production of aquatic vegetation in the entire lake area amouts to 279694 metric tons (wet weight).The capacity of herbivorous fish production is estmated at 1123.4 metric tons.

军山湖原属鄱阳湖的一个子湖。1959年筑圩堤而分隔,洪水季节水面面积约213平方公里。现有水生维管束植物19科24属31种;植被呈不规则环带状分布,主要有挺水、浮叶和沉水3个植物带、7个植物群落。水生植物平均生物量为每平方米1311克(湿重),全湖总生物量约为279694吨;产草食性鱼类的潜力为1123.4吨,折合每亩3.51公斤。

 
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