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成县的英文

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"成县"怎么读用"成县"造句

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  • cheng xian

例句与用法

  • Gradually these coalesced into county , district and regional governments
    各区的政权又逐渐联合成县政权、专区政权、边区政权。
  • The company is located in juyu industrial zone , near the national forest park of wenzhou , at the upriver of feiyun river and 56 highway of zhejiang . it is of convenient transportation and nice environment
    公司位于温州国家级森林公园旁文成县巨屿工业园区,坐落在飞云江上游,依山傍水,沿浙江56省道,交通便利,环境宜人。
  • The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010 . first , this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s . assumed that the bus voltage of tianshui s / s and bikou power plant to be constant , the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position . in order to set control rules
    本文基于陇南电网在规划发展水平年2005年及2010年的四种可能的运行方式下及潮流条件,计算出了计入线路充电无功及投入成县变低压并联电抗器后的潮流分布,在设定甘肃大网侧及碧口电厂侧母线电压恒定条件下,计算了330kv及220kv主变在有载调压标准分接头变比下的330kv及220kv母线电压水平。
  • As a national major project , the 330kv power transmission project will be constructed and brought into service in 2004 . through the 330kv transmission line between tianshui and chengxian and the new 330 / 220kv interconnecting transformer , the 220kv longnan network will realize the tight connection with the large gansu power grid
    随着国家重点建设工程330kv天水-成县送变电工程将于2004年建成投运,陇南220kv电网将通过330kv天水-成县线路及成县330 / 220kv联变与甘肃主网实现强联网。
  • This paper studies the 330kv power transmission project associated with the features that the interior power flow changes greatly in the different planning year level and change with summer and winter operating modes . this paper carry the study on the reactive power & voltage coordinated control of the 330kv , 220kv and 110kv network with the 330kv chengxian s / s as the center
    本研究作为330kv天水-成县送变电工程的一个专题研究项目,结合工程建成后在不同水平年及夏小、冬大运行方式下,网内潮流变化大的特点。
  • Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank , changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration , through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power , also obtained four sets of the 330kv , 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves . through analyzing the optimized combination control curve and the network power flow , the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor
    本研究通过分析所获得的最优综合控制组合曲线及电网潮流,总结出了如下规则:陇南电网在2005年及2010年冬大、以及2005年夏小运行方式下,综合控制应以成县变投入适量并联补偿电抗器作为主要措施;在2010年夏小运行方式下则投入适量并联补偿电容器作为主要措施,再辅助以选择合适的主变有载调压分接头来调节,达到控制网内无功潮流分布合理、各变电站母线电压在理想的范围内时电网有功损耗最小,从而也提高了电网安全运行水平及供电质量。
  • This study set the coordinated control rules to make the reactive power flow distributed reasonably , and thus maintain the bus - bar operating voltage of all substation at the ideal level , and improve the power factor of the transmission lines . furthermore , the active power loss will be reduced to the least so that the network operating will be optimized
    对以330kv成县变为中心的330kv , 220kv及110kv电网在2005年及2010年电网发展水平上进行无功电压综合控制研究,以期制定出综合控制规则,来控制网内各变电站内母线电压运行在理想水平,并使无功潮流分布合理,提高输电线路的功率因数,使有功功率损耗最小,最终达到优化电网运行水平的目的。
  • 1 the results of minshan mountains black bear population viability analysis : minshan mountains situate in the border of sichuan and ganshu province , north is from min county of ganshu , south to dujiangyan of sichuan , west is from shongpan langmu temple and maoergai , east to yanchang and wudu of ganshu with qinchuan of sichuan , the administrative area includes wen county , kang county , cheng county and liangdang of ganshu
    行政区划包括甘肃的文县、康县、成县、两当;四川的平武、青川、北川、安县、什邡、绵竹的全部,以及甘肃的武都和四川的九寨沟两县南部,四川松潘、茂汶两县东部,汶川县、都江堰市、彭州市和北部地区。
  • Analysis on the species richness and diversity index , community evenness in different plots and layers of evergreen broad - leaved forest in shiyang forest center in wencheng , zhejiang province resulted that species richness and diversity index , community evenness of the second sublayer of tree layer was much greater than that of the first sublayer in the vertical structure of the community
    对文成县石?林场常绿阔叶林的不同样地、不同层次的物种丰富度、物种多样性指数和群落均匀度进行了分析,结果表明:在群落垂直结构中,乔木层第2亚层的物种丰富度、物种多样性指数、群落均匀度显著大于第1亚层。
用"成县"造句  

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百科解释

成县在中华人民共和国甘肃省东南部、西汉水北岸,是陇南市下属的一个县,位于东经105°23′?105°57′,北纬33°29′?34°21′,邻接陕西省。
详细百科解释
成县的英文翻译,成县英文怎么说,怎么用英语翻译成县,成县的英文意思,成縣的英文成县 meaning in English成縣的英文成县怎么读,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。