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The concrete contributions of this dissertation are threefold.

本文的具体贡献主要有三方面。

Tillie Olsen's fiction and essays have been widely and rightly acknowledged as major contributions to American literature.

人们普遍且不无道理地承认，Tillie Olsen的小说和论文对美国文学做出了重大贡献。

Tive managerial talents and has made significant contributions in driving China's integration into the world economy.

学院培养了大批具有国际竞争力的管理人才，为推动中国经济融入全球经济做出了重要贡献，并已成为外

Tobacco mosaic virus plays an very important role in the discovery of virus and several pioneers made contributions to the developmental process of virology, through which the brief history of discovery of virus can be traced.

烟草花叶病病毒在病毒的发现中有着极其重要的地位，几位病毒学研究的先驱在这方面的研究有极大的贡献，以此为线索可以看到病毒被发现的简要历史。

The main contributions of the dissertation are concluded as follows: 1 A mathematical basis of the exchange of product data----the Set-based model mapping is established. The shape model mapping, such as the 1: 1, 1: n and n: n topological and geometrical mapping, is especially analyzed.

总结下来，论文做出了以下几个方面贡献：(1)建立了产品数据交换的数学理论基础——基于集合的模型映射，重点研究了在产品数据模型映射中具有代表性的形状模型映射，给出了一到一、一到多和多到多的拓扑几何映射分类。

Chapter Two is divided into three parts, the first part is "School Music Songs in Japan and in China", in which the author narrates the origin and development of school music songs in both Japan and China in the early 20th Century; the second part is "Misako Kawahara and Music Education in Inner Mongolia", which is mainly about the context of Misako Kawahara's visiting to Inner Mongolia and her contributions to the Music Education ofInner Mongolia; the third part is "Ryuzo Torii, Kimiko Torii and Mongolian Musical Culture", which is mainly about the couple's lives in schools in Inner Mongolia and their investigations there.

本章由三个部分组成，第一节"日本学校唱歌与中国学堂乐歌"，阐述了20世纪初日本学校唱歌以及中国学堂乐歌的产生与发展情况；第二节"河原操子与内蒙古的音乐教育"阐述了河原操子到内蒙古的来龙去脉以及她为内蒙古的音乐教育所作出的贡献；第三节"鸟居龙藏夫妇与蒙古族音乐文化"阐述了夫妇二人在内蒙古学校的情况以及如何在蒙古进行调查等内容。

Pascal's earliest work was in the natural and applied sciences where he made important contributions to the construction of mechanical calculators, the study of fluids, and clarified the concepts of pressure and vacuum by generalizing the work of Evangelista Torricelli.

帕斯卡最早研究自然科学和应用科学，对机械计算器的制造、流体研究作出了重大贡献，通过归纳托里拆利的研究，他阐明了压力和真空的概念。

Based on the concepts of total differential and definite integral, a new method is derived theoretically to determine contributions of individual source real or reactive power to branch MVA loss.

本文首先分析了几种常见的网损分摊方法，指出了它们的不足；并在此基础上提出了基于严格数学推导的复功率电源的支路功率分量理论。

Almost every orchestra, non-commercial theatre and touring group is a charity and regular contributions bring in tax relief if they are made over three years.

几乎每一个管弦乐队、非商业性的剧院和旅游团都是一个慈善团体，所以定期的捐助只要持续3年以上就可提出免税。

With the development of rural economy, township enterprises have become an important part of the national economy for national economic development has made great contributions.

随着农村经济的发展，乡镇企业已成为国民经济的重要组成部分，为国民经济的发展做出了极大的贡献。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。