有限划分

To efficiently manage a limited supply of IP addresses, all classes can be subdivided into smaller subnetworks.

为了克服有限的IP地址，所有类别网络可以被划分为更小的子网。

This article first introduces the math foundation required by ECC,including the addition rule for elliptic curve point defined over finite field.Then , the principle of ECC is discussed and its security and efficiency of ECC are analyzed.Third, a cryptosystem is designed through analyzing the security requiration, choosing the elliptic curve domain parameters,denoting field element,elliptic curve and elliptic curve point,choosing associate primitves and schemes andpartitioning functional module.Forth, how to develop a crytosystem based on elliptic curve encryption algorithm is investigated.Fifth, a cryptosystem we have developed by us and the testing result is described.

本文首先介绍了ECC的数学基础，对有限域上椭圆曲线点的运算规则进行了详细描述；其次探讨了ECC的原理，分析了ECC的安全性和有效性；第三，设计了一个基于ECC的加密系统，包括系统的安全需求分析，域参数选择，域元、椭圆曲线、点的表示，原语和方案的选择，及整个系统的模块功能划分；第四，在设计的基础上，研究如何开发一个基于椭圆曲线的加密系统；第五，描述了一个我们已经设计与开发的基于椭圆曲线的加密系统，并给出了相应的测试结果。

We find an equivalence relation which divides the infinite timed state space into a finite number of equivalence classes.

在此基础上，论文使用适当的等价关系将无限多个整数格局划分为有限多个等价类。

This paper analysis the elliptic curves operation rules,presents a high speed serial-parallel elliptic curve multiplier for the Galois field GF(2^N) which based on optimal normal basis, compares the ECC chip speed and hardware resource consuming induced by the different Field partition.

本文分析了GF(2^N)域上的椭圆曲线的运算法则，提出了一种串－并行结构的基于优化正规基的高速有限域运算单元，比较了域划分D对芯片实现速度和硬件资源占用的影响，完成了域GF(2^N)上基于ONB的ECC芯片快速实现。

Secondly, the whole computation is divided into two levels: the finite field level and the elliptic curve level.

根据层次化、结构化的设计思路，将椭圆曲线上的标量乘法运算划分成两个运算层次：椭圆曲线上的运算和有限域上的运算。

The non homogeneity of soil modulus along depth is taken into account. Then the flexibility coefficients can be obtained by solving Lagrange′s equation.

将地基划分为有限个水平层单元，位移函数表示为一次样条函数与Fourier级数的乘积形式，根据复阻尼理论的Lagrange方程，将问题归结为求解若干次低阶复代数方程。

In this paper, draw the idea of beam unit, the bias along the vertical box is divided into a number of oblique beam. On the basis of analysis of the displacement, through positive and oblique coordinate transformation relations, and directly built on the oblique coordinate system to describe the methods of displacement unit space. With potential energy principle is derived in oblique beam element stiffness matrix and the establishment of the finite element formulation. The preparation process of the finite element analysis is used to verify the structure of bias.

本文吸取梁段单元的思想，将斜交箱梁沿纵向划分为若干斜梁段，在位移分析的基础上，通过正、斜交坐标转换关系，直接建立在斜交坐标系内描述单元空间位移的方法，用势能驻值原理推导斜梁单元刚度矩阵并建立其有限单元列式，利用编制的有限元程序进行斜交结构的分析。

In terms of administration system, under the centralized administration system, the local governments' administrative authority is very limited; from the point view of economic administration right division, as the organizer and regulator of regional economy, local governments are unable to enjoy the proper rights and interests of State-owned asset owners, the tax income division regulations are incomplete, and there is the shortage of credit bodies. Although the central government and the local governments are both State-owned asset investors, yet the central government should possess ultimate ownership. It is necessary to properly divide their property rights and particularly important to clearly define the rights and responsibilities of central government and local governments.

从行政体制看，在中央集权形式下地方所拥有的行政性权力非常有限；从经济管理分权看，地方政府作为区域性经济组织和管理者，利益主体残缺，分税制不完全，信用主体缺失；从国有资产出资人角度看，中央政府与地方政府同为国有资产出资人主体，但中央政府拥有终极所有权，合理划分各自的产权，并明确界定中央和地方政府的权利和责任变得尤其重要，也是国有资产市场化委托代理的重要环节。

Christians adopted the Ouroboros as a symbol of the limited confines of this world (that there is an "outside" being implied by the demarcation of an inside), and the self-consuming transitory nature of a mere this-worldly existence following in the footsteps of the Preacher in Ecclesiastes.

基督教采用大毒蛇作为这个世界的有限界线标记（那就是有限的划分之外还有无限），自我只是一个这个世界瞬间存在的本性，延着《传道书》上传教士的足迹。

Christians adopted the Ouroboros asa symbol of the limited confines of this world (that there is an"outside" being implied by the demarcation of an inside), and theself-consuming transitory nature of a mere this-worldly existencefollowing in the footsteps of the Preacher in Ecclesiastes.

基督教采用大毒蛇作为这个世界的有限界线标记（那就是有限的划分之外还有无限），自我强烈只是一个这个世界瞬间存在的本性，延着《传道书》上传教士的足迹。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。