正

Thus, at the heart of the financial system, now sits a professionals-only, high-risk Wall Street firm with its own private equity and hedge funds arrayed on top of a nonpareil corporate and government client list, which taxpayers reasonably assume is gambling with their money.

因此，在金融体系的心脏地带，目前正矗立着一家全部由专业人士构成的高风险华尔街公司，其自身的私人股本与对冲基金名列最高端的企业与政府客户名单之上。纳税人有理由猜测，高盛正利用自己的钱进行赌博。

From the zero dynamics algorithm the norm form for general nolinear control systems is presented, which is extension of the affine nonlinear systems.

摘要研究了一般非线性系统的零动态算法，得到了应用广泛的正则标准形，只需对系统做较弱的正则性假设，即平衡点附近某些分布是非奇异的。

Exive least-squares solutions, antire?exive least-squares solutions, bisymmetric least-squaressolutions, symmetric and antipersymmetric least-squares solutions, symmetric or-thogonal symmetric least-squares solutions, symmetric orthogonal antisymmetricleast-squares solutions and their optimal approximation to the linear matrix equa-tion AX = B, and solve them successfully. 2. For Problem II, we can convert it to another problem of finding the least-squares solutions with the least norm of a new consistent matrix equation. Onthe base of the solutions of Problem I we can apply the iterative method to get

本文所构造的迭代法的优点在于先利用法方程变换将求矩阵方程的最小二乘解转化为求一个相容矩阵方程的解的问题，再利用迭代法对于任意给定的初始矩阵进行迭代，均可在有限步内迭代出所求问题的一个解；可将问题II转化为求新方程的极小范数解的问题，同样用迭代法求解，从而系统且全面地解决了问题I、II在约束矩阵类如中心对称、中心反对称、自反矩阵、反自反矩阵、双对称、对称次反对称、对称正交对称、对称正交反对称矩阵中的最小二乘解及其最佳逼近问题。

In chapter one,the backgrounds and current situation of operator theory in Banach space are introduced and the preliminaries of Banach space are given.In chapter two,we study the existence and uniqueness of fixed point for decreasing strict-set-contraction operator in product space.Under the weak continuous condition,we obtain the existence and uniqueness of fixed point for decreasing operator and we give an application of these results; In chapter three,we get several positive fixed point theorems of decreasing operator and the existence and uniqueness theorems of positive fixed point for operator C=A+B,C=D-A in real Banach space where the order is decided by a normal cone; In chapter four,we obtained some existence and uniqueness theorems of fixed point for some mixed monotone operators in semi-ordered Banach space.

在第一章中，主要介绍了半序Banach空间非线性算子的研究历史背景、现状以及半序Banach空间中的预备知识；在第二章中，我们利用半序方法研究了Banach乘积空间中严格集压缩减算子不动点存在唯一性问题，在弱连续的条件下，得到了不动点的存在唯一性和迭代收敛性，同时，给出了它们的一些应用；在第三章中，我们建立了拟弱连续减算子的正不动点定理，并证明了算子C=A+B，C=D-A的正不动点存在唯一性定理；在第四章中，我们得到了半序Banach空间中混合单调算子的不动点存在性及唯一性定理。

In this paper constructed the projection operator s of all the inequivalent and irreducible presentation which attributes to C_(2v) group,according to these projection operator s composed the twenty-four normal modes of vibration and their normal coordinates,and analyzed the spectral properties of these vibration modes.

利用群论方法构造出属于C2v群的各不等价不可约表示的投影算符，应用求得的投影算符合成丙酮分子的24个简正振动模式及简正坐标，并分析其振动模式的光谱特性

Is called standard normal distribution. Its probability density is

的正态分布称为标准正态分布，其概率密度

Using the linear combination of normal probability density functions to fit histograms of mean durations, it has the advantage of visualigation.

该方法用多正态密度函数（正态密度函数的线性组合）拟合平均持续时间的直方图，具有可视性的优点。

This paper firstly describes the equivalent transformation of standard normal distribution function, then calculates the function value by using the method of changing step length , and lastly gives out the flow chart and program written in Visual Basic.

对标准正态分布函数公式进行恒等变形，再用变步长法计算正态分布函数值，并用VB6.0完成该函数计算功能模块的程序设计。

Considering the impacts of \'excessive fitting\' and \'unusual point\' on identification, a weighted least squares support vector machine which based on the normal distribution function is proposed in this thesis. Its weighted rules mainly apply some statistical characteristics of the normal distribution faction.

考虑'过度拟合'和'野值点'对辨识模型的影响，应用正态分布函数的一些特性，本文提出基于正态分布加权的最小二乘支持向量机。

According to the destructive property of normal section on by force, a formula to calculate its strength is set up.

根据正截面受力破坏特点，建立了正截面强度计算公式。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。