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世纪中叶
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  mid 20 th century
     Since the mid 20th century,people started to reflect upon the human development.
     从20世纪中叶以来,人们开始对发展进行反思。
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     Since the mid 20th century, due to the development of world economy and loose control of financial markets in some countries,significant changes have taken place in the structure of finance industry and various new financial products have been created accordingly, which must contribute profound impact on the development of world economy.
     20世纪中叶以来,世界的发展和国际金融市场管制的放松,导致金融产业结构发生重大的变化,各处新的金融产品不断涌现,对世界经济的发展产生深远的影响。
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     Since the mid 20th century there has been a long blank of about half a century in our teaching of poetry writing which has greatly restricted the development of China's new poetry.
     自 2 0世纪中叶以来 ,我国的诗歌写作教学出现了长达半个多世纪的“空白期” ,这严重阻碍了我国新诗的发展。
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     This article takes the development of water resource titlehood as evidence proving that water resource had been a kind of property adjusted by private law before the mid 20th century , but it wasn't the independent object of proprietary rights.
     本文首先以水资源权属的演变为据 ,证明在 2 0世纪中叶以前 ,虽然水资源一直是为私法调整的财产但却不是独立的私有权客体这一事实。
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     The theory of rent-seeking has been a hot topic in the western economic society since the mid 20th century. It is also one of the most challenging subjects in research. The behavior of rent-seeking is a common phenomenon in the market economic and shunting countries.
     寻租理论是20世纪中叶以来西方经济学界的热门话题,也是当今经济学界最富有挑战性的领域之一,寻租行为是市场经济国家和转轨国家普遍存在的一种现象。
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  “20世纪中叶”译为未确定词的双语例句
     A Study of the Movements and its Ecology in the Mid of the 20th Century in China
     运动与运动化——运动及中国20世纪中叶的运动生态研究
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     The digital electronic computer was invented on the forties of the 20th century in the West by the promoting of the urgent needs of social and military, and the development of electronics.
     是西方工业革命和科研促进了数字计算机有关的机械化数学思想方法在西方的发展,是社会和军事的迫切需要与电子科学技术的飞速发展,使得数字电子计算机最终于20世纪中叶在西方发明。
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     East Asian Geopolitical and Naval Strategies of European and American Powers:from 19th to the Middle of 20th Century
     欧美列强的东亚地缘及海军战略(19~20世纪中叶)
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     Since 1950s, China has fastened its pace of urbanization with the development of the global economy.
     众所周知,20世纪中叶以来,随着世界经济的发展和经济结构的转型,各国都加大了城市化的脚步。
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     On the Family Marriage Condition Recorded in Folk Literature from 16~(th) to 20~(th) Century-with the Xi Family in Dongting, South of Yangtse River as a case study
     16至20世纪中叶民间文献中有关家族婚姻状况的研究——对江南洞庭席氏家族的考察
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  相似匹配句对
     Some 20th Century Historians.Edited by S.William Halperin.
     《20世纪的史学家》
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     Skyscrapers in the 20th Century
     20世纪的摩天楼
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     The Birth of the Human Capital Theory in U.S. during the Middle of the 20~(th) Century
     20世纪中叶美国人力资本理论的产生
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     The wave of modern democratization was confronted with too many obstacles in the middle 20~(th).
     20世纪中叶,当代民主化浪潮在全球受阻。
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     20 to .
     20~.
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  mid 20 th century
Gilyarov's scientific school in the development of the subject and methodology of a new complex discipline formed in the mid 20th century-soil zoology-was considered.
      
The history of pearling in the region is reviewed, from the earliest possible references to the mid 20th century.
      
However, this relationship was originally described using 20 years of instrumental data from the mid 20{th} century, and has not been verified with modern datasets.
      
Published accounts of nutrient loads from the catchment indicated that until the mid 20th century, factories and urban point sources were the major contributors of both nitrogen and phosphorus.
      
Nevertheless, early to mid 20th century measurements of increasing lake water salinity are well supported by sediment records, a change that is probably linked to ingress of saline ground water
      
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墨经是中国二千余年前战国时代墨翟的遗著“墨子”中间的一部分,共四篇,成书年代应在纪元前五世纪后半叶和纪元前三世纪中叶之间。其中包含着比较丰富的哲学和科学资料,而且具有明显的朴素的唯物思想和辩证观点。但文字非常简奥,且多(讠为)脱错乱,最难整理,因而其中所蕴藏的宝贵遗产很多还未被发掘。本编论文开始对墨经的著者,成书年代,主要内容,写作形式,研究情况和方法以及有关物理学问题的内容作了全面的介绍;然后专就墨经中有关时间、空间概念问题和几何光学理论问题分别作了详细的介绍与阐明。时间空间问题共有五条,构成一定的逻辑系统,本篇运用辩证唯物论的观点,对这五条进行了细致的分析。几何光学理论共八条,前五条是关于影的问题,包括重影,针孔成象,光的反射,影的大小长短等现象和理论。后三条是关于球面反射镜的实验现象和理论说明,并附图解,特别在有关球面镜理论部分提出与过去学者的意见不完全相同的解释。最后对这些物理学资料在世界科学史上应有的地位和价值作了适当的估计与论断。

Tientsin New port, the main port of North China, is situated on the northern part of the subaqueous delta of the Hai-Ho. As the port is faced with silting problem, study of the source of silt is important for formulating measures to cope with the problem. From a detailed study of shoreline changes between New port and the mouth of the Hwangho, together with analysis of grain size, heavy mineral assemblage and clay minerals of sediments of this part of tidal fiats and shallow sea, it seems reasonable to conclude...

Tientsin New port, the main port of North China, is situated on the northern part of the subaqueous delta of the Hai-Ho. As the port is faced with silting problem, study of the source of silt is important for formulating measures to cope with the problem. From a detailed study of shoreline changes between New port and the mouth of the Hwangho, together with analysis of grain size, heavy mineral assemblage and clay minerals of sediments of this part of tidal fiats and shallow sea, it seems reasonable to conclude that sedi ments causing silting of New port largely come from extensive tidal fiats and shallow sea bottom in the neighborhood of port, i. e. from the subaqueous delta of the Hai-Ho, whereas sediments of the Hwang-Ho mainly go to the deeper part of the Pai-Hai and the southern, western and northern part of the Gulf of Pai-Hai. Thus, although the Hwang-Ho carries a much large amount of sediment, it's influence on silting of New port is only indirect. The formation of the present subaqueous delta of the Hai-Ho dated from the middle 19th century when the outlet of the Hwang-Ho again shifted northwa rd, entering the Pai-Hai. The delta is formed by sediments of the Hai-Ho accumulating around it's original river mouth bar. From the middle 19th century to the early 20th century, there was a rapid growth of the subaqueous delta but afterwards, the pace of growth slowed down. Recently, the building of dikes of New port and the construction of the dam across the mouth of the Hai-Ho have considerably influenced the morphological evolution of the subaqueous delta.

为研究天津新港回淤泥沙来源问题,本文分析了海河水下三角洲的形成与演变以及渤海湾沿岸地貌与沉积特征。现代海河水下三角洲的粉砂淤泥质滩体是近百年来由海河下泄泥沙形成的。19世纪中叶至20世纪初是三角洲以原河口拦门沙为核心迅速淤长的时期;20世纪初至今,三角洲淤长速度渐缓,但由于海河及其河口地区各种整治工程的影响,三角洲的形态变化很大。近百年来三角洲地貌变化与海河及其河口地区动力泥沙条件有直接关系。通过对海河水下三角洲地貌形成与发育特征的分析,通过渤海湾海岸及水下岸坡地貌和沉积特征的分析,说明天津新港泥沙回淤问题的主要原因是海河水下三角洲地区泥沙的近源活动,港内泥沙主要直接来源于港区周围的广大粉砂淤泥质浅滩。

Tientsin New port,the main port of North China,is situated on the northern part of the subaqueous delta of the Hai-Ho.As the port is faced with silting problem,study of the source of silt is important for formulating measures to cope with the problem.From a detailed study of shoreline changes between New port and the mouth of the Hwangho,together with analysis of grain size,heavy mineral assemblage and clay minerals of sediments of this part of tidal fiats and shallow sea,it seems reasonable to conclude that...

Tientsin New port,the main port of North China,is situated on the northern part of the subaqueous delta of the Hai-Ho.As the port is faced with silting problem,study of the source of silt is important for formulating measures to cope with the problem.From a detailed study of shoreline changes between New port and the mouth of the Hwangho,together with analysis of grain size,heavy mineral assemblage and clay minerals of sediments of this part of tidal fiats and shallow sea,it seems reasonable to conclude that sedi- ments causing silting of New port largely come from extensive tidal flats and shallow sea bottom in the neighborhood of port,i.e.from the subaqueous delta of the Hai-Ho,whereas sediments of the Hwang-Ho mainly go to the deeper part of the Pai-Hai and the southern,western and northern part of the Gulf of Pai-Hai.Thus,although the Hwang-Ho carries a much large amount of sediment,it's influence on silting of New port is only indirect. The formation of the present subaqueous delta of the Hai-Ho dated from the middle 19th century when the outlet of the Hwang-Ho again shifted northwa rd,entering the Pai-Hai.The delta is formed by sediments of the Hai-Ho accumulating around it's original river mouth bar.From the middle 19th century to the early 20th century,there was a rapid growth of the subaqueous delta but afterwards,the pace of growth slowed down.Recently,the building of dikes of New port and the construction of the dam across the mouth of the Hai-Ho have considerably influenced the morphological evolution of the su- baqueous delta.

为研究天津新港回淤泥沙来源问题,本文分析了海河水下三角洲的形成与演变以及渤海湾沿岸地貌与沉积特征。现代海河水下三角洲的粉砂淤泥质滩体是近百年来由海河下泄泥沙形成的。19世纪中叶至20世纪初是三角洲以原河口拦门沙为核心迅速淤长的时期;20世纪初至今,三角洲淤长速度渐缓,但由于海河及其河口地区各种整治工程的影响,三角洲的形态变化很大。近百年来三角洲地貌变化与海河及其河口地区动力泥沙条件有直接关系。通过对海河水下三角洲地貌形成与发育特征的分析,通过渤海湾海岸及水下岸坡地貌和沉积特征的分析,说明天津新港泥沙回淤问题的主要原因是海河水下三角洲地区泥沙的近源活动,港内泥涉主要直接来源于港区周围的广大粉砂淤泥质浅滩。

 
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