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By comparing the ready experimental results with the calculated results obtained at 7 basis sets and 3 theoretical levels, respectively, for the tautomeric form Cytl of cytosine, the relatively accurate B3 LYP/6-311+G(superscript **) theoretical method to study the tautomerism of cytosine was chosen.

分别采用7种基组、3种理论方法对胞嘧啶异构体Cytl的结构进行优化，通过与Cytl的实验结果进行比较，选取了适合研究胞嘧啶分子的B3LYP/6-311+11G方法。

Furthermore, the theoretical model presented here is applied in describing the far-field distribution of diode laser bar. Theoretical curve is given in this paper.

在单个激光二极管的基础上，本文还将模型推广到线形列阵大功率半导体激光器，给出了理论曲线。

"" Post-theoretical age "of literary and cultural studies" research ideas from cultural theory to examine the dimensions of globalization in the "post-theoretical age" within the various cultural influence and role, the author believes that post-colonialism through the once - After the decline of the re-emergence: Said, Spivak and Bhabha The three representatives have issued a new book, making the academic study of post-colonialism and cultural identity, ethnicity, diaspora, and the phenomenon of globalization integrated, stuffed in some third world countries has played a nationalist sentiment.

"后理论时代"的文学与文化研究》的研究思路是从文化理论的维度来考察全球化在"后理论时代"的各个文化领域内的影响和作用，作者认为，后殖民主义经过一度式微之后再度崛起：赛义德、斯皮瓦克和巴巴这三位代表人物先后发表新著，使得学界对后殖民主义的研究与文化身份、种族问题、流散现象以及全球化问题融为一体，并在一些第三世界国家酿起了民族主义的情绪。

The theoretical basis about raising the pooling level of pension insurance The law of large numbers theory, theory of social equity and income redistribution theory provide a theoretical foundation for raising the pooling level of basic pension insurance.

提高养老保险统筹层次的理论依据大数法则理论、社会公平理论和收入再分配理论为基本养老保险统筹层次的提高提供了理论基础。

Theoretical basis of thermodynamics on fluid phase balance is studied in this paper, and estimating rule of thermoelectrical equilibrium with interfacial phenomena is analyzed. Adsorption theoretical model is evaluated on the base of essential theory of adsorption.

本文研究了流体相平衡的热力学理论基础，并分析了存在界面现象时的热力学判据，研究了吸附的基本理论，选择了空穴溶液理论模型计算凝析气在多孔介质表面的吸附；应用晶格理论吸附模型计算凝析油在多孔介质表面的吸附；应用气相吸附数据计算二元液相吸附，作为应用晶格模型研究多元液相吸附的输入数据，并且首次考虑气液混合吸附，以凝析油的临界流动饱和度作为判断气液混合吸附还是单纯的液相吸附的条件。

Cartography and Geographic Information Systems Research Institute (National Bureau of Surveying and Mapping Institute of Geographical Names) Geographic Information System is mainly engaged in theoretical and applied research, as well as cartography and toponymy research, focused on solving the geo-spatial information collection, storage, management, analysis, expression and applications theoretical and technical problems.

地图学与地理信息系统研究所主要从事地理信息系统理论与应用研究以及地图制图和地名学研究，重点解决地理空间信息采集、存储、管理、分析、表达和应用等方面的理论与技术问题。

Large numbers of test data which is systemic, credible, exact and detailed was acquired during the processing of these two scientific research item and settlement value and theoretical analysis on trial section was done together with the test and research on the site. The connection between the rule of settlement in the transition zone and the parameter such as groundsill, transmogrification modulus, material and density was studied based on comparing true settlement value in trial section with settlement value of theoretical calculation by frame analysis software. And it will help the farther research on design and construction about road-bridge transition zone.

同时在两个科研项目开展过程中，取得了大量系统、详实、可靠的试验数据，并结合现场试验研究工作，在室内开展了深入细致的过渡段沉降变形数值计算和理论分析研究，运用有限元分析软件，对过渡段的沉降变形进行了仿真数值模拟计算，与现场实测数据进行了对比分析，全面考察了过渡段地基土层与变形模量、路堤填料与压实密度等参数对过渡段沉降变形的影响规律，为进一步研究路桥过渡段的设计和施工可以提供借鉴。

Eigenvalue buckling analysis can only forecast the theoretical buckling strength of an ideal linear elastic structure, because of the unideal property of material and geometrical nonlinearity, most structures can not reach their theoretical strength limit.

特征值屈曲分析只可预测一个理想线弹性结构的理论屈曲强度，材料非理想性与几何非线性使得大多数结构无法达到它们理论强度极值。

In order to compare the theoretical price and real price of the warrants, this paper use control variate method to compare the GARCH Model and BS Model. The theoretical price of BS Model is used as control variate call option.

欲比较所模拟的权证理论价格及权证实际的价格，本文加入了控制变异法来进行模型的比较，以Black-Scholes模型的模拟价格当作控制变异买权，然后模拟出控制变异法的理论价格。

B The gear real tooth surface is represented by a sum of two vector function that determine the theoretical tooth surface and the deviations of the real surface from the theoretical one, and the tooth contact analysis of real surface is completed.

将实际齿面表示为理论齿面和偏差曲面之和，进行了实际齿面的轮齿接触分析。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。