周天子威信降低,必然就会出现有话语权的人,谁来做这个人,当然是大国强国的国君,于是春秋时期各诸侯国之间开始争霸,争霸是有前提条件的,只有经济发展的够好才有强大的军事力量,只有合乎礼仪取信于民才能获得民众的支持。有了这两者才能在对他国战争中取胜。打着“尊王攘夷”的旗帜才能让别的诸侯国信服,进而选为霸主。
于是东边的齐国,北边的晋国,南边的楚国,西边的秦国四国相继争霸,后来南方的吴越两国又***进来争夺霸权。
诸侯国之间不断兼并,征伐,结盟,政治上的彼此交锋,使得文化上日趋融合,旧秩序,旧礼仪,旧制度越来越没有生存空间,而新的一切自萌芽起便茁壮成长。
铁器的'出现和牛耕的推行使经济快速发展,便于中央集权的郡县制开始出现,土地私有制越来越不适应经济发展。
我是复旦大学数学系教授,在此写信推荐王XX。我认识王XX自大学二年级,担任他的导师。在我眼中,他是一个勤奋的学生和一个令人钦佩的孩子。
他是一个令人印象深刻的学生,因为在他大一年级的时候他不得不克服与挑战严重疾病。在我的数学课上第一次遇见他,并没有觉得他有什么特别的!然而,他的成绩好得高过我对他的期望。王XX试图把所有困难的早期数学课程,同时包括离散数学、高等数学,线性代数都学好,在此期间我是不知道他是有病在身的。而大多数学生认为王XX同学就算只准备一门课程的考试都很难,然而,最终他取得一个令所有人都意外的期末成绩,使我深深意识到他那不寻常的决心,他给我们展示了当面对艰难时是如何的坚强。王同学和我经常谈到的各种数学和计算机科学的概念和问题。
在这些讨论,我总能发现他的见解很独特,是个聪明的孩子。他不仅很快理解概念,同时给他提出的问题,他能够分析并提出解决方案。最重要的是,王同学发现任何问题他都认真负责重新审查,如发现不确定性问题,他立即清除他们。我认为这种想法是成为一名优秀的计算机程序员必须具备的基本条件。作为他的导师我会利用机会时常观察进行思想工作。王老师的论文“网络神经”提出很具有挑战性的议题。在我们的书籍中对于这一议题及其应用是非常罕见的。在中国很少有人研究过这个话题,因此该材料选择是有限的。王同学不仅迎接这项挑战,同时在实践中超越其职责分析出了来源和测试精度。
他的学习能力与工作能力非常让我自豪。王同学是很聪明和勤奋的学生。我知道,如果有机会出国留学,他梦想着在美国成为伟大的程序员。他会抓住一切机会实现这一梦想,同时有智慧和能力实现这一梦想。希望你能接受王XX同学的申请并给予他机会!
From: ****
Department of the SPECIAL CLASS GIFTED for YOUTHS
University of Science and Technology
Hefei, Anhui 230026, P.R. China
July 1, 1998
Dear Sir or Madam:
I take great pleasure in recommending Wang Yong, one of my favorite students, for admission into your distinguished graduate program.
Mr. Wang was admitted in 1986 at 14 years of age into the SPECIAL CLASS for the GIFTED YOUTHS, my university's unique program that caters to the intellectual needs of unusually talented Chinese youngsters. It was a rare privilege he earned with his nearly impeccable academic performance through the years of his elementary and secondary school.
He impressed me almost as he entered into my university, a major cradle of china's scientific and technological talents. At the time, members of the Gifted Class all had to spend half a month studying by themselves the principles of calculus and then take an exam so that we could evaluate their self-study capability. Mr. Wang scored the highest grade in that exam. He also exhibited a keenly whetted mind during class discussions. To my regret at the time, his English was not as good as his mathematics or physics.(缺点介绍,公正真实 But I noticed he made a point of working especially hard in improving his English during his five undergraduate years with us. By now, he seems to be at least as proficient in English as most of his former classmates in the Gifted Class.
In my experience with Mr. Wang, I was impressed with not only his extraordinary intelligence but also his ambitions and persistence. I am sure that Mr. Wang will be an outstanding student in any doctoral program that he may care to enroll in. So I would like to support him firmly in his quest recommendation into account when considering his application. I would greatly appreciate it you decide to accept him as he wishes.
Yours sincerely
****
Professor and Deputy Head
拓展阅读:
约翰?奈斯比特的《中国大趋势》,从一个外国人的角度分析了中国的国情、中国***的思维以及中国与西方国家的价值观差异。约翰·奈斯比特将中国的领导模式形象地比喻为企业的经营管理方式,以客观的视野,剖析改革开放的道路选择以及解放思想的开放思维,向人们展示了一个自信的民族、发展中的国家。约翰·奈斯比特通过对中国现代社会八大支柱的论述,总结出中国发展的大趋势,中国在创造一个崭新的社会、经济、政治体制,它的新型经济模式已经把中国提升到了世界经济的领导地位,改革开放三十多年的发展,已经让中国重新点燃了世界的好奇心,中国变化之快让人目不暇接。但是,由于政治体制和文化传统的差异,西方国家对中国的感情又是十分复杂的`,在经济上承认中国地位的同时,在政治体制上总是横加指责,而奈斯比特在书中讲了这么一句话颇令人感慨,“西方国家对于中国政治状况误解太深,而中国共产党所作的解释也太少。”
我们不得不怀疑,西方现代民主是否是唯一可接受的民主形式?西方人想到一个自由、民主的社会时脑海中出现的是一个横向结构,由无数个“个人平等”选举出自己的领导,但是,还有另外一种对自由和民主截然不同的理解,一种自下而上和自上而下的纵向的民主,中国能成功地领导全球四分之一的人口走向富裕,已经开始展示一种与西方不同的发展模式,有中国特色的社会主义国家。中国将发生某一些变化,今天是看起来不明显、不怎么看到或者只是开始了某一些进程,但是在未来将会变成一个显著的趋势。
西周晚期,周天子统治不力,西戎不断***扰边境,社会矛盾加剧,百姓怨声载道,各个诸侯国开始自谋发展,逐渐不听周天子的召唤。
公元前771年,周幽王率军与申国、缯国、犬戎的三国联军在骊山开战,周幽王兵败被***,自此西周灭亡,郑国、卫国、秦国、晋国四国赶来救援,赶走犬戎,迎立已废太子姬宜臼为周平王。周平王畏惧犬戎,弃丰镐而东迁洛邑,实际管辖的领土大大减少,东周开始,周室衰微,周天子的威信不复从前。
郑武公护周平王东迁有功,任卿士,辅佐周朝政务,利用职权为郑国谋发展,秦国护周平王有功,得周朝西部地区,周平王许诺只要能赶走西戎,土地就属于秦国。秦国正式成为诸侯国,与中原诸侯国取得了联系,开始了它艰难的扩张之路。
周室衰微,自顾不暇,诸侯国必须靠自己的力量来发展壮大,在各方面进行改革,发展经济,壮大军事力量,力图不被他国欺负。
In capacity as Professor of Mathematics at Fudan University?I'm writing to recommend Mr. Wang?Gesintosyour PhD program in Computer Science. I have known Mr. Wang since his sophomore year of college?and have acted as his thesis advisormentor. In my experience?he is a gifteddiligent student?and an admirably hard worker.
Wang is an impressive student because he has been forced to overcome the significant challenge of a serious illness during his freshman year. When I first met Wang in my Discrete Math class?he did not appear to be anything special to me. While his exam scores were good?they were not as high as I would now expect of him.
What I didn't know then was that due to his illness?Wang was attempting to take all of the difficult early mathematics courses at one time?including Discrete Mathematics?Advanced Mathematics?Linear Algebra?and Possibilities. While most students found preparing for just one set of these exams difficult?Wang was overwhelmed by four of them. But in the end?he achieved an impressive score on the final exam?which made me conscious of his unusual determination he demonstrates when confronting difficult challenges.
Mr. WangI have often talked about a variety of mathematicscomputer science conceptsproblems. During these discussions?I always found him to be delightfully intelligent. Not only does he quickly understand the conceptsproblems presented to him?he is able to analyze these problemspresent solutions. But perhaps most important is that Wang's thinking is intensely rigorous. When looking at any question?he carefully scrutinizes itif he finds any uncertain issue
he clears them up immediately. I believe this kind of thought is essential to become an excellent computer programmer.
Serving as his thesis advisor?I had a first-hand opportunity to observe the way in which Wang's mind works. In his senor thesis?Mr. Wang mainly discussed two challenging questions in regards to″ANN″。 In our books in China?knowledge of ANNits uses are very rare. Few people in China have studied this topicconsequently?the materials that are available on ANN are limited. Working on this difficult project?not only did Mr. Wang rise to the challenge?but he went abovebeyond the call of duty to analyze his secondary sourcestest them for accuracy in practice. In this way?he found mistakes in the book that we use. His diligencehard work made me extremely proud of him.
© 2022 xuexicn.net,All Rights Reserved.