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河干的英文

音标:[ hégān ]   发音:
  • river of zero flow

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  • 例句与用法
  • Normally water resources is affected by human activities and climatic change , but it is affected mainly by climatic change in runoff forming regions located in the high and middle mountainous area in the northwestern china . river runoff in the hexi inland arid region all originates from the qilian mt . area and the change of mountainous runoff resulted from global weather warming up and will bring an important effect to the development of society and economy in the hexi region . so the response on mountainous runoff and its changing trends are analyzed on the basis of the measured data of precipitation , air temperature , and discharges observed from some weather and hydrologic stations in the studied area . the results show that seasonal variation of mountainous runoff in the hexi inland region is mainly affected by the river ' s geographical location and supply source , and the yearly change by precipitation and that in the west of the region by air temperature besides precipitation . there are some obviously regional differences in the influences of climatic change on surface runoff in the hexi inland arid region , that is , rivers runoff in the west of the hexi area have been increasing and rivers in the east part have been decreasing , and the rivers runoff in the central part presented slowly increase trend , such as the heihe river , but it is not quite obvious
    一般情况下,水资源的变化主要受气候变化和人类活动的影响,但在位于我国西北内陆干旱地区的中高山地带,径流的形成主要受前者的影响.甘肃省的河西内陆干旱区是该省重要的工农业生产和经济开发区,这里各项社会和经济活动与出山径流的变化都有着十分密切的关系.因此,笔者根据有关水文气象台站的降水、气温和径流观测资料,分析了以黑河、昌马河、西营河等主要河流为代表的河西内陆区出山径流的变化特征与规律.结果表明,河西内陆区出山口径流的季节变化主要受地理位置和河流补给来源的影响,而年际变幅则受山区降水量年际变化及变幅的影响十分明显.目前,梨园河以西河流水量处于上升阶段,梨园河以东的河流则处于下降的阶段;以黑河干流莺落峡水文站年径流为代表的走廊中部地区的出山口径流正处于1990年开始的枯水段的上升段.但总体而言,河西内陆干旱区出山口径流的变化相对比较稳定.预计今后若干年内,河西内陆干旱区东段河流出山口径流的变化以偏枯为主,中段、西段河流出山口径流的变化以平水或平水偏丰为主
  • In recent years , many barrages have been founded in dagu river , which greatly change the conditions of the exploitation and supply of groundwater . on the basis of calibration of mathematical model of hydrogeology , the effect of diversified factors on the variation of groundwater is analyzed using visual modflow software , the recharge capacity of rubber dam to the groundwater storage is studied and the allowable withdrawl of groundwater with the influence of manpower is calculated again
    近年来大沽河干流及支流已增加多处拦河坝工程致使地下水采补条件发生了较大变化,本文利用visualmodflow软件分析了各种影响因素对地下水动态的影响,研究了橡胶坝对地下水库的补给能力并重新核算了人工影响条件下大沽河地下水库的允许开采量。
  • In making use of the drainage as resources , there are several advantages : 1 ) there already exist a certain number of drainage networks which are not very difficult to extend and remold : 2 ) deserts can be used as object for drainage utilization ; 3 ) the drainage is still barely suitable for irrigation of salt - tolerant plants
    在塔里木河干流,农田排水资源化利用有如下几个有利条件: ( 1 )农田排水有一定数量且渠网的延伸和改造难度不大; ( 2 )荒漠可作为农田排水资源化利用的场所; ( 3 )农田排水仍可勉强适于耐盐植物生长。
  • Abstract : in the face of historical opportunity of state carrying out west development strategy , raising returning the grain plots to forestry and grass and rebuilding mountains and rivers beautiful , points at trunks stream area of tarim river especially green corridor ecology worsen real problem of lower reaches , analyzes actual reasons of producing problem , under the premise of clearing and definiting returning the grain plots to forestry ( grass ) is main measure of improving ecology , expounds effects and meaning of returning the grain plots to forestry ( grass ) for improving ecology of the region , discusses returning the grain plots to forestry ( grass ) should master and handle improving ecology with economic development , improving ecology with agricultural structure regulation , the relationship of modern technology appliance with traditional style and approaches reasonable forestry and grass proportion and scientific combining style of forestry and grass in carrying out returing the grain plots to forestry ( grass )
    文摘:在国家实施西部大开发战略,提出退耕还林(草) ,再造山川秀美的历史机遇面前,针对塔里木河干流区尤其是下游绿色走廊生态环境恶化的现实问题,分析产生问题的具体原因,阐明在合理开发、利用和配置水资源的前提下,退耕还林(草)是改善生态环境的有力措施以及实施退耕还林(草)对改善该区域生态环境的作用和意义,论述退耕还林(草)应掌握和处理好改善生态与经济发展、改善生态与农业结构调整、现代技术应用与传统方式的关系,探讨退耕还林(草)中合理的林草比例及科学的林草结合方式。
  • The main conclusions of the research are shown as follows : ( 1 ) with meeting the comprehensive using demands including flood control , ice prevention and water supply of the main stream , aimed at the maximum generation electricity in a period of the reservoir regulation , built up the optimal regulation model of the longyangxia - liujiaxia system and sanmenxia - xiaolangdi system and adopted poa method to solve it , obtained long series compensation regulation results
    论文取得的主要成果如下: ( 1 )在满足全河干流防洪、防凌、供水等综合利用要求的前提下,以水库调度期发电量最大为目标,采用大系统分解协调方法,建立了龙刘和三小的优化模型,采用逐步优化算法( poa )求解了该模型。
  • Taking the effected area of the main stream of shule river as the study region , the feature of water resources , the status quo of water demand and water supply are analyzed , with which the problems may occur from the water resources development and utilization therein are exposed , and then a way to reasonably develop and utilize the water resources is put forward based on the re - allocation of the development and utilization as well
    摘要以疏勒河干流影响范围为研究区,分析了疏勒河流域水资源特征、供用水现状,揭示了水资源开发利用中存在的问题,对水资源开发利用进行了优化调配,提出了合理开发利用的途径。
  • In the face of historical opportunity of state carrying out west development strategy , raising returning the grain plots to forestry and grass and rebuilding mountains and rivers beautiful , points at trunks stream area of tarim river especially green corridor ecology worsen real problem of lower reaches , analyzes actual reasons of producing problem , under the premise of clearing and definiting returning the grain plots to forestry ( grass ) is main measure of improving ecology , expounds effects and meaning of returning the grain plots to forestry ( grass ) for improving ecology of the region , discusses returning the grain plots to forestry ( grass ) should master and handle improving ecology with economic development , improving ecology with agricultural structure regulation , the relationship of modern technology appliance with traditional style and approaches reasonable forestry and grass proportion and scientific combining style of forestry and grass in carrying out returing the grain plots to forestry ( grass )
    在国家实施西部大开发战略,提出退耕还林(草) ,再造山川秀美的历史机遇面前,针对塔里木河干流区尤其是下游绿色走廊生态环境恶化的现实问题,分析产生问题的具体原因,阐明在合理开发、利用和配置水资源的前提下,退耕还林(草)是改善生态环境的有力措施以及实施退耕还林(草)对改善该区域生态环境的作用和意义,论述退耕还林(草)应掌握和处理好改善生态与经济发展、改善生态与农业结构调整、现代技术应用与传统方式的关系,探讨退耕还林(草)中合理的林草比例及科学的林草结合方式。
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  • 其他语种释义
  • 河干的俄语:pinyin:hégān уст. берег (реки)
  • 河干什么意思:河边;河岸。    ▶ 《诗‧魏风‧伐檀》: “坎坎伐檀兮, 置之河之干兮。”    ▶ 明 徐祯卿《留别边子》诗: “孤杨生河干, 袅袅何参差。”    ▶ 清 纪昀 《阅微草堂笔记‧滦阳消夏录六》: “某官舟泊河干, 闻汝善弹词, 邀往一试。”
  • 推荐英语阅读
河干的英文翻译,河干英文怎么说,怎么用英语翻译河干,河干的英文意思,河干的英文河干 meaning in English河干的英文河干怎么读,发音,例句,用法和解释由查查在线词典提供,版权所有违者必究。

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