优缺点

A detailed introduction to the requirements of a display and analysis system of rain gauge data is made.

阐述了自动雨量站资料显示分析软件系统在功能上的要求，在客观分析当前主要做法的优缺点的基础上，设计和开发了一套新的软件系统。

The characteristics of FIFO, double-port RAM and ping-pang cache structure were compared. The principle and features of ping-pang cache structure were discussed, and a real ping-pang cache structure was also given which consisted of high-speed, large capacity SRAM and FPGA. For a video processing system, this ping-pang cache structure is easy to interface with AD, DA and DSP.

文中比较了FIFO、双口RAM、乒乓缓存结构三种数据缓存电路的优缺点，讨论了乒乓缓冲控制器的结构和原理，并以高速、大容量的SRAM 以及FPGA器件为基础，设计了一种适应于高速DSP图像处理系统的乒乓缓存结构，其特点是速度快、所需器件少，易于与DSP器件接口。

Meanwhile, the index futures hedge theory has also get a further development, which evolves from traditional hedge theory, the selectivity hedge theory and modern hedge theories. After analyzing the merits and shortcomings of the three theories, the paper mainly studies four minimum square hedge theory models, which are The traditional static OLS model, VECM model, one variable GARCH(1, 1) model and one variable GJR-GARCH(1, 1, 1) model. Established on September 8th in 2006, China Financial Futures Exchange initiated a new era of our country finance ramification-- index futures, opening a door for the China futures industry.

而股指期货的套期保值理论也随之得到长足发展，历经传统套期保值理论、选择性套期保值理论和现代套期保值理论，本文在分析三大理论优缺点的同时，着重研究现代套期保值理论即最小方差避险理论的四种模型：传统静态OLS模型、VECM模型、单变量GARCH(1，1)模型、单变量GJR—GARCH(1，1，1)模型。2006年9月8日，中国金融期货交易所的成立，掀开了我国金融衍生品种股指期货的新纪元，迎来了中国期货行业发展的机遇期。

Section two elaborates the structure of a simple model on static yield curve of zero-coupon bond. According to the difference of constitution principle, the dissertation divides the numerous static models into direct ones and indirect ones. On the basis of setting forth the different constitution thoughts of two methods, it compares the merits, shortcomings, and the application scopes of the two methods. Spline model is the most common indirect method, and is the study emphasis of this section, especially its three key approaches that are defining the rank of function, the subinterval number to be divided, and knot of each subinterval, which are fully elaborated in the dissertation.

第二节阐述了现行静态零息票债券收益率曲线简单模型的构造，根据构造原理的不同，论文把众多静态模型划分为直接法和间接法两大类，在简述两种方法各自不同的构造思想的基础上，对两种方法的优缺点及适应范围进行了比较；分段样条函数模型作为最常用的间接法，是本节研究的重点，尤其是对它的三个关键环节：确定函数的阶数、确定所分的段数、确定各段的分解点，论文更是给予了充分的论述。

In this paper, the advantages and disadvantages of some traditional applications architecture are Reacher have been reserched, and the advantages of some kinds of Open Source Module, based on the design and implement of the system "HuangHuaGang Coal Transportation and Workflow System" are lucubrated.

本文在设计和实现"黄骅港煤炭运输和工作流系统"的基础上，研究了多种传统应用软件构架的优缺点，并深入分析了各种新的开源组件应用的优势，从而提出了应用Struts组件、Hibernate组件和JBPM工作流引擎三个子框架的服务器应用软件框架模型。

As tothe implementation of the curriculum, there is an urgent need to recognize theessence of the implementation of the curriculum, to reanalyze and understand allthe strongpoint and shortcoming of the methods.

课程实施方面，急需对课程实施的本质再认识，对各种方法的优缺点、着重点进行深入分析、理解和把握。

The thesis structures many kinds of administration model, on the basis of discussing its one's own pluses and minuses, provide the recommendatory scheme; Have designed the corresponding organization according to the business relations of the real estate group of Chongqing real estate group, and has done the detailed discussion to the duty of every department in the organizationThrough the research of this text, the administration structure and institutional framework have been offered will have a realistic significance to Chongqing real estate group's administration structure and institutional framework construction , and will be revised and be perfected further in the future.

论文通过构建多种治理模型，在讨论其各自的优缺点的基础上，给出了推荐性方案；论文还根据重庆地产集团的业务关系，设计了相应的组织机构，并对组织机构中各部门的职责作了详细探讨。通过本文的研究，对重庆市地产集团治理结构和组织机构建设提供了现实的指导意义，有利于在以后的工作中进一步修改和完善。

My current benchmark interest rate in response to the problems and choices reasons for this loan interest rates, rediscount rate, the bond repurchase rate, the benchmark interest rate of treasury bonds was conducted to explore and functional analysis of specific comparison of their respective advantages and disadvantages.

针对我国现阶段在基准利率选择方面存在的问题及原因，依据基准利率选择具体原则和标准。本文对我国现有货币市场上的同业拆借利率、再贴现利率，债券回购利率、国债利率的基准性功能依次进行了探讨与分析，具体的比较了它们各自的优缺点。

The principle,advantages,disadvantages,application areas and the problems in application of the distributed optical fiber sensors based on optical time domain reflectometer are summerized.

总结了基于光时域反射(OTDR，BOTDR，ROTDR)的分布式光纤传感器的原理、优缺点、应用领域以及在应用中存在的问题。

Two different measuring methods of compression ratio are compared and discussed for different applied limits, merits and defects of each are analyzed relevantly.

本文还对两种不同测量压缩比的方法进行了比较研究，提出了两种方法的使用范围，对各自的优缺点进行了相应的分析。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐