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Renormalization group method which calculates fractal dimension theoretically is the most useful tool when we study critical phenomena of phase transition.

重整化群方法是研究相变的临界现象最有力的工具，它是一种由理论求得分形维数的方法。

The G-tilt power spectrum and the residual variance of tilted tracking as functions of the outer scale of turbulence are deduced theoretically.

详细推导了G倾斜功率谱以及倾斜跟踪残差与大气湍流外尺度的函数关系式。

Finally,the effectiveness and resistibility of the proposed trust mechanism are analyzed theoretically and evaluated experimentally.

结果表明，提出的信任机制优于其他现有的方法，能够有效地应用于P2P电子商务系统中。

Utilizing Sylvester's theorem and Fourier series expansion method, commonly used in the spectral decomposition for matrix, the frequency response functions of parametrically excited system were derived theoretically and the external resonance condition was obtained.

采用矩阵谱分解中常用的Sylvester理论和Fourier级数展开法，推导了单自由度参数振动系统的频响函数，并得到了系统外激励共振条件。

By using Whitham rule, this paper analyzes the characteristics of pressure and temperature of the oscillating gas in the conical resonance tube theoretically and explains why the conical resonance tube can reach higher temperatures than the cylindrical resonance tube.

文中利用Whitham规则，从理论上分析了在圆锥形管中振荡气体的压强和温度特性。

The forming mechanism of pressure arch is studied theoretically. The shape of the arch and the pressure distribution acting on the bottom of block caving are given, and the various mechanical respondence related to the arch can be explained in quantity in this paper.

本文对压力拱的形成机理进行了理论研究和定量分析，给出了压力拱的形状和底柱上的压力变化规律，并可以定量解释与压力拱有关的所有力学现象。

Adaptive to wall and sealing spring is important part of wallclimbing robot. After having analyzed it theoretically, the author of this paper obtains the condition of selecting restiveness of the spring for designing robot firstly.

适应于壁面的密封弹簧是爬壁机器人吸盘腔的重要组成部分，本文对其进行了理论分析，提出了结构设计过程中弹簧总刚度的理论选择依据。

It is concluded theoretically that when the signal pickup microphone is placed on one of these points, a corner in a rectangular room for example, any increment in open-loop gain of the secondary system will multiply the damping of reverberant sound field.

只要把次级系统的信号拾取传声器置于这类特征点上，比如在矩形空间中三面相交的墙角处，则次级系统开环增益的增大，就相当于增大了整个混响声场的阻尼。

Based on low satellites on orbit and STK platform, some parameters of space-based optical system such as observation direction, Right Ascension of the Ascending Node and True Anomaly are set and optimized in this paper, which will lay a foundation theoretically for the design of space-based optical system.

本文以在轨运行的低轨卫星为研究对象，以卫星工具包STK为平台对天基光学系统的观察方向、升交点赤经和真近点角等参数进行了优化设置，为天基光学系统的设计任务奠定理论基础。

But because of the complexity of the robust statistics itself, there are seldom scholars currently in this area in our country, but as what the robust statistics aims at is the widespread and actual problem in statistics, this method is very important theoretically and realistically whatever to science studies or to the related economic policymaking, so the writer think that its development foreground is considerable.

但是由于稳健统计学本身的相对复杂性，目前我国学者对稳健统计学的研究还很少，而稳健统计学所针对的是统计学中一个普遍而实际的问题，这套方法无论是对科学研究还是对相关部门经济政策的制定都有着重要的理论意义和现实意义，因此笔者认为它的发展前景是可观的。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。