两维的

Regular Fractal Dimension Calculation is discussed by using Koch Curve and Cantor Ternary Set.Additivity of regular fractal dimension is discussed by continuation of Koch Curve with line and Cantor Ternary Set in vertical direction.CircumferenceArea,Variation,Grid and Radius methods of calculation statistical fractal dimension are introduced.

本文以科赫曲线与康托尔三分点集为例，讨论了有规分形维数的计算；以科赫曲线在垂直方向的两种拓展为例，讨论了有规分形维数的加和性；以周长—面积法、变量法、网络法与半径法为例，介绍了无规分形维数的计算方法。

We have developed a three dimensional (3D) compositional mathematical model for two phase flow and derived a new 3D streamline model with capillarity and gravity effects.

在建立起可动凝胶深部调驱的油水两相多组分数学模型的基础上，推导出了考虑重力和毛管力的三维流线模型，将求解饱和度的三维问题转化为一维问题。

Then, divide $.02 by our spread's vega of .03 (remember that the vega of the spread is equal to the difference between the vega of the two individual options).

然后，要分工负责0.02美元我国蔓延的维加。03 （记得那维加蔓延等于之间的差额维加两个单独的期权）。

The guidance system is built according to the relative relationship in three dimensions. For longitudinal plane, by introducing the subsidiary smooth function, the attraction domain of sliding mode are analyzed and determined, and the stability of the guidance system is proven, considering from the coupling relations of two planes in three dimensions.

根据末端三维弹目相对运动学关系，建立了三维制导系统的数学模型，并以纵向平面模型和变结构控制中到达条件为基础，引入分段光滑连续函数，以三维平面间的耦合关系为出发点，从两个方面分析并确定了过载受限变结构制导律的滑动模态吸引区，证明其制导系统的稳定性。

Two basic theorems are given by researching Hamilton's two steps linear differential equations of bender equations which provide widespread application methods of normal differential operator correspond to ladder operators,then the solutions of general equations are obtained by taking advantage of the two above theorems: The energy eigenvalue equation of one-dimensional oscillator; the common state of ; the radial equation of a bondage state of hydrogen atom; the radial equation isotropic three-dimensional harmonic oscillator; the infinity deep potential well of ball

本文通过研究束缚态本征方程里的哈密顿算符的二阶线性常微分形式，给出两个基本定理并证明，提供构造二阶线性常微分算符相应的阶梯算符的普遍实用的方法，然后利用这两个定理构造量子力学中常见力学量的阶梯算符，并用以计算其能量本征值和对应本征函数：一维谐振子的能量本征方程；共同本征态；氢原子束缚态径向方程；三维各向同性谐振子的径向方程；无限深球势阱。

Using the new comparative method, the variation of constants formula, M-matrix theory, integral differential inequality, new theoretical results on global exponential stability of neural networks with bounded time-varying delays and Lipschitz continuous activation functions have been obtained.

利用新的比较方法的思想，改进了一维线性和非线性纯时滞微分系统的3/2稳定性定理，推广了Yorke条件到具两个时滞项的情形，将Yorke等人的3/2稳定性定理推广到具两个时滞项的线性和非线性纯时滞微分系统，进一步还推广到N维纯时滞微分系统，为纯时滞神经网络的研究打下理论基础。

This paper introduces a new seismic exploration method-3D Walkaway VSP. As a combination of the 3D seismic exploration method and the VSP technology, it can accomplish the simultaneous data acquisition used to performed by the two methods and so it is fully competent in refined petroleum exploration.

介绍了一种新的地震勘探技术－三维井地联合Walkaway VSP技术，该技术将三维地震勘探技术和VSP技术有机结合，实现了地面三维地震采集和井下VSP技术联合同步采集，发挥了两种技术的优势，弥补了各自的不足，可应用于油气藏的精细勘探和开发。

Retinoic acid and its receptors play a very important role in the development of the embryo.RA signal transduction is mainly mediated through it\'s two kinds of receptors, retinoic acid receptor and retinoid X receptor, each kind of receptor has 3 isoforms, a, 6,?.

维甲酸(Retinonic acids，RAs)和其受体在胚胎的发育过程中起着很重要的作用，RA信号的传导主要通过它的两种受体即维甲酸受体和维甲酸类X受体，每种受体又有3种亚型，α，β，γ。

Retinoic acid and its receptors play a very important role in the development of the embryo.RA signal transduction is mainly mediated through its two kinds of receptors, retinoic acid receptor and retinoid X receptor, each kind of receptor has 3 isoforms, a, 6,?.

维甲酸(Retinonic acids，RAs)和其受体在胚胎的发育过程中起着很重要的作用，RA信号的传导主要通过它的两种受体即维甲酸受体和维甲酸类X受体，每种受体又有3种亚型，α，β，γ。

First, a full three-dimensional numerical model is developed, which considering not only the rib resistance to the species, but both the single- and two-phase flow and transport in the gas channels and diffusers at both the anode and cathode sides of PEM fuel cell. Two sets of boundary conditions, one for a conventional flow field and the other for an interdigitated one, are presented. A detailed discussion of the numerical techniques for the PEM fuel cell model is given with a flow diagram to provide an overview of the solution procedure using FORTRAN language.

该模型考虑了双极板上流道间的筋部对于反应气体传递阻力以及电流密度分布的影响，从而使模型具有三维特性；建模过程中进一步考虑了流道和扩散层中可能存在的液态水，从而将现有的单相流动模型拓展成为两相流动模型，因此，该模型可以同时模拟电池内部阴极、阳极侧流道和扩散层中两相流动的发生和分布情况；分别给出了平行流场燃料电池和交指型燃料电池的边界条件；详细讨论的三维模型的耦合求解算法和技巧；用实验数据验证的该模型的准确性。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！