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介绍了ADSL(非对称数字用户环路)的基本原理,并提出了一种ADSL系统中帧(符号)同步的简单解决方法及其计算机模拟结果。 相似文献
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毛姆以其清晰、简炼的风格著称,他的短篇小说《宝贝》虽然不是他最具影响的作品,但却也有许多值得欣赏的地方,本文将从词汇、句式、修辞方面来分析这篇小说,将这部作品的优秀之处呈现在读者面前,并就其翻译进行分析。 相似文献
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从一般的弹性体变形理论出发,利用Mathematica系统,初步建立了弹性体变形分析的符号表达式系统.该系统可以自动地完成弹性体变形理论各种张量及方程的推导过程,给出相应的精确符号表达式;自动地完成指定符号表达式的数值化与图形化过程 相似文献
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李爱清 《焦作师范高等专科学校学报》2002,18(3):12-13
This article evaluates The Scatet Letter with the help of analyzing the symbolic meanings of Pearl. In this article, the au-thor attempts to propose the symbols of Pearl from four aspects: the function of the letter, the symbol of Hester's distillation of instinet;the symbol of freedom; the symbol of consummation. From the interpretation of the symbols of Pearl, it has been proved that Pearl be-comes Hawthorne's best vehicle to convey his attitudes toward Puritanism. 相似文献
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《河图》上的圈、点与八卦的对应关系,自11世纪至20世纪末,未能正确解译,故被称之谓“《河图》的奥秘”。《周易》的蕴藏,取决于《河图》上的圈、点所在的位置及其颜色的黑、白与数的奇、偶。将《河图》中研得的八卦卦数,应用于《周易本义》卷首之九种易图,结果对应和谐,合契若神。且八卦卦象、卦数的和谐与九图间存在着逻辑联系。 相似文献
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Kenneth Aizawa 《Studies in history and philosophy of science》2010,41(3):227-236
It is sometimes suggested that the history of computation in cognitive science is one in which the formal apparatus of Turing-equivalent computation, or effective computability, was exported from mathematical logic to ever wider areas of cognitive science and its environs. This paper, however, indicates some respects in which this suggestion is inaccurate. Computability theory has not been focused exclusively on Turing-equivalent computation. Many essential features of Turing-equivalent computation are not captured in definitions of computation as (digital) symbol manipulation. Turing-equivalent computation did not play the role in McCulloch and Pitts’s early cybernetic work that is sometimes attributed to it. Finally, various segments of the neuroscientific community invoke a notion of computation that differs from the Turing-equivalent notion. 相似文献
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德国学者M.Schonberger于1973年首次阐明64遗传密码子与周易64卦之间的对应关系。有关遗传密码与64卦关系的研究,虽然许多人付出过心力,但是,都未能对应当依据什么标准来把64密码子与64卦一一对应作出科学阐述。上世纪80年代末以来,一批中国学者构建了“立体易模型“,这项研究将中国易学从平面引向立体。应用“立体易模型“探讨64密码子与64卦之对应关系。不仅找到64密码子与64卦一一对应的依据标准,并能解释通用密码子的简并性、变偶性等特征。 相似文献
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