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This paper takes transformer loss as object function, discusses design of dynamic voltage restorer with series of injection transformer and presented a design method of minimum loss and optimal load loss.
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摘要以变压器损耗为目标函数,就动态电压调节器串联注入变压器的设计进行了探讨,提出了一种总损耗最小及负载损耗最优的设计方法。 |
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This paper takes two similar works by the Italian writer Eco as its framework of reference and tries to investigate into the self-construction of the discourse producer.Based on the biblical narrative and relevant interpretations in western arts, it attem
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本文以义大利学者艾柯的两部类似作品为参照,对这种“话语生产者的自我建构”予以考察;并试图以《圣经》敍述与西方艺术的相关论释为据,回到《达?芬奇密码》所借助的象徵符号系统,解析其中的演变、误读以及意义延伸,从而揭示“精神表达”与象徵符号之间的张力。 |
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This paper taking Tongling City as an example analyses its land utilization transition in quantity, structure and extent from 1996 to 2004, and concludes that, by means of Principal Components Analysis and Multiple Regression Analysis, the root causes for
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摘要本文以铜陵市为例,分析了其在1996-2004年间土地利用的数量、结构及程度变化,并通过主成分和多元回归分析指出短期内影响铜陵市土地利用变化的驱动因子主要是经济发展、人口增长以及城镇化、农业发展等人文因素。 |
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This paper talks about the building methods arid technical charateristics of the 20000m^3 low-temperatured tank, which can be reference to the design of low-temperatured tanks.
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本文结合某能源公司一台20000立方公尺低温储罐(单层)建造过程,归纳了该类储罐的施工方法和技术特点,为该类低温储罐的建造提供参考。 |
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This paper talks about the characteristics of metro stations, the main points in designing the sprinkler systems, including the delimitation of the defined fire areas, the calculation of rational water power and the arrangement of sprinklers in subway sta
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结合地铁车站的特点,提出了自动喷水灭火系统的设计要点:自喷系统的火灾指示区的划分,合理的水力计算,喷头的布置等。 |
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This paper talks form snack noodles dehydrate technique, it discuss the possibility as well as need for combining moden microwave technology and tradition deepfry technology, and by deepfry µwave mix equipment to replace used completeness deepfry equ
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从改进方便面的干燥脱水工艺入手,将现代微波技术与传统的油炸技术相结合,用油炸、微波混合干燥设备代替现用的完全油炸设备,是值得探讨的技术思路。 |
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This paper tells the influence on city environment of unhealthy geology tendencies caused by the under-ground acitivity in city,such as the surface subsidence,surfance sink,slope destruction and the badly affect of the groundwater and its pollution,and it
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针对城市地下工程活动引起的不良地质现象:地面沉降、地面塌陷、斜坡破坏、地下水的不良作用和地下水的污染等因素对城市环境的影响,提出其防治措施。 |
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This paper test some oral history examples for the primary curriculum of social studies.
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本文以现行小学社会科课本爲示例,说明口述历史方法如何运用于小学社会科教学。 |
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This paper tests the knowledge of use and usage of English and the ability to summarize.
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主要在测试使用英文的知识,以及作摘要的能力。 |
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This paper the Urumqi Han Nationality and the Uygur national minority family will take the research object, the goal will be discovers existence through the findings the question and the reason, and will propose the corresponding opinion and the suggestio
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文章将乌鲁木齐市汉族和维吾尔族家庭作为研究对象,目的是通过研究结果找出其中存在的问题和原因,并提出相应的意见和建议,以期为新疆体育职能部门制定相关的适合少数民族地区发展的政策,为促进乌鲁木齐市的体育消费市场向着健康有序的方向发展提供有益的参考。 |
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This paper the author's innovation and practice of the course of Information Systems Analysis and Design, It suggests, to grasp the difference between the course of Information Systems Analysis and the course Design and Management, Information System in t
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摘要本文介绍了作者在《信息系统分析与设计》课程教学上的一些改革探索和实践,提出了在教学定位上要把握与《管理信息系统》的区别,在教学方法上要灵活运用案例分析、小组讨论、角色模拟、企业调研和网络教学等手段,并在实验教学的内容和时间的安排方面进行一定程度的创新。 |