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世纪
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  14 th century
     On the 14th Century Chinese Literature
     14世纪的中国文学
短句来源
     Comparative Studies of Chinese and Western Societies From Middle 14th Century to 17~(th) Century
     14世纪中期至17世纪中期中西方社会发展之比较
短句来源
     The Roman law of the middle age was prospective when the 14th century approached in the district of Deutschland.
     罗马法在德意志地区兴起的过程开始于公元14世纪,这实际上是外来罗马法文化在德意志地区得到认同的过程。
短句来源
     From the 14th Century to the 16th Century, Europe Was in the transition from the feudalism to the Capitalism .
     14世纪到16世纪末,是欧洲从封建主义向资本主义的过渡时期。
短句来源
     So we can say that Carolus renaissance and the 12th century renaissance, especially the later, played a very important role in the development of European culture in the process of transfering from classical culture of ancient Greece and Rome into the 14th century renaissance.
     可以说,欧洲希腊罗马传统的古典文化发展到近代的14世纪的文艺复兴之间,是经过了加洛林文化复兴,特别是12世纪的文化复兴的两次大的准备才到来的。
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  “14世纪”译为未确定词的双语例句
     A Study on the Koryo(高丽) Immigrants of Liaoyang (辽阳) and Shenyang (沈阳) during the 13-14~(th) Century Period
     13—14世纪辽阳、沈阳地区高丽移民研究
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     Feudal Attributes of England Boroughs' Privileges from the 11th to the 14thc
     论11—14世纪英国城市特权的封建属性
短句来源
     On the Genealogy of Uighur Iduq qnt of 13-14th Centuries
     13、14世纪畏兀儿亦都护世系考
短句来源
     Evolutions in the Canterbury Tales on Traditional Values of England in 14~(th). Century
     论《坎特伯雷故事》对14世纪英国传统价值观念的突破
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     The Trade Dispute between Byzantium, Venice and Genoa from the 12~(th) Century to the 14~(th) Century
     12-14世纪拜占庭与威尼斯、热那亚的贸易争端
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  相似匹配句对
     On the 14th Century Chinese Literature
     14世纪的中国文学
短句来源
     U(14)?
     U(14)?
短句来源
     The second stage, also called developing stage lasted from 9th century to 14th century.
     公元9世纪中叶——14世纪,为发展阶段。
短句来源
     14 refs.
     参考文献14
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     Century's Witness
     世纪的见证
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  14 th century
Although the earliest recorded description of multiple sclerosis (MS) dates back to the 14th century, it was not until the latter years of the 20th that treatments for this disabling condition were found.
      
Contagion in theology and law: Ethical considerations in the writings of two 14th century scholars of na?rid Granada
      
The Black Death, which struck al-Andalus in the second half of the 8th/14th century, was an unprecedented natural disaster.
      
The article is an attempt to interpret a mystical term, n'd (nād), in the writings of the 14th century āzarī poet Shams ad-din Muhammad Maghrebi Tabrizi.
      
Significant warm summer conditions did not occur until the late 14th century, when the annual temperature level began decreasing.
      
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Since the beginning of the last half century, the science of hydrology through successive steps of development has advanced to the realm of quantitative analysis. Engineers employed empirical methods to compute river discharges from precipitation data in answer to the ever-increasing demands made upon hydrologic analyses for engineering works. Yet for the phenomena of conflux of flows from precipitations, there exist only meager and fragmental quantitative analyses, without, so far, a systematic study of their...

Since the beginning of the last half century, the science of hydrology through successive steps of development has advanced to the realm of quantitative analysis. Engineers employed empirical methods to compute river discharges from precipitation data in answer to the ever-increasing demands made upon hydrologic analyses for engineering works. Yet for the phenomena of conflux of flows from precipitations, there exist only meager and fragmental quantitative analyses, without, so far, a systematic study of their underlying theories recorded in literature. On account of this, the progress of hydrology in respect to theory as well as to prac- tice has been retarded. By means of hydrodynamic analysis, the author has tentatively made an approach to the establishment of such a scheme of theories, in which he divided the rainfall-runoff phenomena into three parts for separate analyses, i. e., the occurrence of runoff due to rainfall at a surface point, the surface flow, and. the conflux of channel flows. This paper is devoted to the first part, which is, in essence, an analysis of the basic hydrologic phenomena. The theories thus established may be used as a guide for various hydrologic analyses in practice, may be based upon to examine the validity of various methods of hydrologic calculations, and may be further used to develop an approximate yet rational method for computing discharges from precipitation data. In this paper, the author proposes a scheme of underlying theories for analyzing the hydrograph of surface flow due to rainfall at a point, in which the essence of basic hydrologic phenomena is revealed, and this is accompanied with calculations of an example. In the earlier years, R. E. Horton established a theory of correlations of rainfall and runoff from small drainage basins by analyzing the data of Homer's sprinkler experiments. Thereafter, researchers basing upon his theories and methods analyzed the relations between rainfall and runoff by sprinkler experiments or data from natural areas. On account of the fact that Horton's analysis does not begin with an accurate hydrodynamical viewpoint, problems are bound to arise in practice due to defects in the underlying theories. Shortcomings of Homer's analysis on the basis of the author's theories are pointed out and the practical value of sprinkler experiments estimated. A method proposed by E. V. Bodakoff for computing discharges due to storms on small basins has raised wide discussions among the Soviet scholars, many of whom hold different views. The author hereby points out the main shortcomings of Bodakoff's method, and gives a numerical example with results compared with those computed by the author's method, thus showing the limitations of Bodakoff's method in practical applications.

半世紀來,水文学在發展的过程中已進入了定量分析的途徑;工程師們曾用各种經驗性的方法依據降水的资料推演河槽裹水流的現象,以应各种工程建設对於水文分析的要求。但是对於降水集流的过程始終祇有一些零星、片面的数值分析,没有一套完整的理論系統,因此阻碍着水文学在理論与应用方面的發展。作者曾用流体力学的分析法初步建立了降水集流的理論系統,把降水集流的过程分為三個階段:雨降地面逕流的產生、地面流、槽流之滙集,分别予以分析。本文便是其中第一階段,亦即最基本水文現象的分析。这些建立了的理論可以用為指導各种水文分析的南針,用為評論各种水文計算法的依據,並可用以創造一种近似而合理的方法,从降水資料推算逕流資料。本文中作者貢献一套理論,以分析地面點上降雨產生逕流的过程,揭發了基本水文現象的本質,最後並列舉实例的計算。早年郝登(R.E.Horton)曾依據郝納(W.W.Homer)的地面流实驗資料建立了一套在小地域內降水和逕流關係之理論,其後学者們根據他的理論和方法,用人工降雨法或流域資料实測法來確定降水和逕流間的關係。郝登的分析並没有从準確的動力学观點出發。在实際分析中發生了欠缺理論基礎的根本問題。这方面作者持着不同的意見。本文中根...

半世紀來,水文学在發展的过程中已進入了定量分析的途徑;工程師們曾用各种經驗性的方法依據降水的资料推演河槽裹水流的現象,以应各种工程建設对於水文分析的要求。但是对於降水集流的过程始終祇有一些零星、片面的数值分析,没有一套完整的理論系統,因此阻碍着水文学在理論与应用方面的發展。作者曾用流体力学的分析法初步建立了降水集流的理論系統,把降水集流的过程分為三個階段:雨降地面逕流的產生、地面流、槽流之滙集,分别予以分析。本文便是其中第一階段,亦即最基本水文現象的分析。这些建立了的理論可以用為指導各种水文分析的南針,用為評論各种水文計算法的依據,並可用以創造一种近似而合理的方法,从降水資料推算逕流資料。本文中作者貢献一套理論,以分析地面點上降雨產生逕流的过程,揭發了基本水文現象的本質,最後並列舉实例的計算。早年郝登(R.E.Horton)曾依據郝納(W.W.Homer)的地面流实驗資料建立了一套在小地域內降水和逕流關係之理論,其後学者們根據他的理論和方法,用人工降雨法或流域資料实測法來確定降水和逕流間的關係。郝登的分析並没有从準確的動力学观點出發。在实際分析中發生了欠缺理論基礎的根本問題。这方面作者持着不同的意見。本文中根據作者的理論指出了郝登分析法的癥結所在,並估計了人工降雨实驗法的实用價值之限度。波達闊夫曾建議暴雨逕流之一种計算法,引起了苏联学者的廣泛討論,很多人持有不同的意見。作者於文中指出了波氏等方法發生問題的症結所在;並用实例計算和作者的方法比較,說明了波氏法在实用中的準確限度。

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测量实船马力是一个历史悠久的问题,半世纪以来人们先后设计出利用各种原理的扭力仪达数十种之多,本文将迄今为止所见到的扭力仪分门别类,归纳为机械、光、声、电、磁等各种型式,并将其中有代表性的作一有系统的介绍,说明各该仪器的优缺点。本文也指出船舶上使用的扭力仪所必须具备的待点,如结构方面必须坚固,牢靠,耐震,在使用方面必须简便,使一般人员都能操作管理。此外,又着重指出在设计时所必须特别注意的机械装置问题,因为有好几种扭力仪的试造失败,是由于太偏重了拾微器部份,而忽视机械装置所引起的。作为一个实船扭力仪的具体例子,本文介绍了在船模试验所里试造的那一种电感式扭力仪。这套扭力仪是专为船舶工业管理局设计建造的250马力渔船上应用的。

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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。

 
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