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The company mainly deals with exporting and processes trading of light industrial products, arts and crafts, medicines and health products, chemicals, machinery and electronic products, such as boats and ships, green energy products, vehicles and construction machinery, vehicle accessories and components, enamelware, lamps, home appliances, hardware and tools, bicycles and parts, electronic and IT products, ceramics, glassware, footwear and headwear, candles, bags and suitcases, garments, textiles, working protective goods, furniture, toys, gifts, office appliance and stationery, kitchen utensils, paper and paper products, camping and outdoor goods, sports goods, households, sanitary ware and so on .

公司经营汽车、船舶、纺织服装、照明、家电、工具、自行车、电子信息、汽车配件、日用器皿、鞋帽、箱包、家居用品、玩具、礼品、办公文具、厨房用品、卫生洁具、旅游用品、体育用品等各类轻工、工艺、医保、化工、机电产品的出口和加工贸易，市场遍及 160 多个国家和地区，同时从事各类原料、医疗器械、机械设备、消费品等产品的进口，并广涉包括IT、金融、房产、制造在内的众多领域，成绩斐然。

Finally, for ensuring performance of insurance and endowment insurance, this paper compares partial accumulation with pay-as-you-go and funds system, constructs an actuarial model of partial accumulation system, discusses actuarial estimate of shout costs and debts, long costs and debts about endowment insurance, then this paper further considers how to preserve and increase pension funds value and put forwards investment strategies based on the portfolio insurance technique to insure the performance for the going endowment policy.

最后，为保证保险和养老保险的发展绩效，比较了目前实行的部分积累的养老保险制度同现收现付、基金制对经济的影响，构建了部分积累的养老保险制度下的精算模型，讨论了养老保险短期与长期的成本与债务的精算估计，在此基础上进一步思考了现行养老保险制度绩效的保证——积累形成的养老保险基金实现保值增值的问题，提出了运用组合保险技术的投资策略。

In this chapter, historical background of the study was established and concept of Qin Culture was defined. The history and present situation of study of Qin Culture were summarized, the purpose and explanation theory of the paper was explained. It was pointed out that the changes in both basic social organization and constitution of ruling class during the transition from the system of enfeoffment to the system of empire in ancient China could be reflected in archaeological materials. It is just from the point of view of the changes in both basic organization and constitution of ruling class that the paper is going to examine and explain state systems of ancient China by archaeology.

建立本文研究的史学背景，界定秦文化，对秦文化研究的历史和现状进行了总结，并对本文研究的目的及解释理论进行了说明，提出在中国古代国家制度从封国向帝国的转变过程中，社会基本组织和统治集团成员这两方面的变化可以从考古资料上反映出来。

Since the 1960s,the leading shipbuilding countries begin to study on the ship condition monitoring and trouble analysis, Nobodys engine-room shipping on duty appeared .certainly the condition monitoring and trouble analysts system also meets some question ,such as: only give alarm or show the actual value of the parameter, does not possess the function of analyzing and giving operator the direct suggestion function about the complicated trouble reason , Only monitor the present running conditions, does not possess the function of predicting equipment future and run reliability though trouble analysis technology makes good progress in these yeas, onboard the ship is still rare .aiming to improve the shipping safety, this paper make some research work on the ship engine-room, the main innovation are as follows:Firstly, this paper introduces and analyzes the research work and current situation on the condition monitoring, trouble analysis and safety assessment .especially in the maritime fields .

船舶机舱系统结构复杂，故障源多，征兆参数丰富，故障与征兆之间常常不存在简单的对应关系，而是相互影响，关系错综复杂。60年代以来，世界上先进的造船国家都相继开展了船舶机械状态监控和故障诊断的研究，出现了无人值班机舱船舶，但仍存在不足之处，如：只给报警提示或显示参数的实际值，不具备对复杂故障的原因分析并给操作者以直接的提示或建议功能；只监测当前的运行状况，不具备预测设备未来运行可靠性的功能；尽管近年来设备故障诊断技术得到了很大的发展，但真正能成功应用于实船的尚不多见。本论文以船舶机舱为对象，以提高船舶营运安全性为目标，来研究船舶机舱的安全控制技术，主要内容如下：首先，介绍和分析了状态监测、故障诊断和安全评估的研究内容和现状，尤其是在船舶领域的研究近况。

The innovation in this paper is:(1)This paper design the Hotelling model that the entrant is face of the customer search cost.

最后研究了厂商的兼容性选择所引起的两种搜索成本降低对厂商的影响。

When we think of paper,we think of newspaper,books,letters,envelops,and writing paper.

当我们想到纸，就会想起报纸、书、信封和书写纸。

I chose the paper for the ephemerality and the fragility of it. The paper was like a sheet of carbon which revealed the feelings I had at the time. Like something my body needed to reject.

考虑的理由是它的脆弱性和短暂性；纸张是一个很好的素材让你流露当下的情感，有种身体上的反动迫使我去挑战与对抗。

In the development of this system, its security epically for resisting SQL Injection is researched primarily. A new resisting SQL Injection method via program validation and strengthening database security is put forward to reinforce the security of the system proposed in this paper.Combined with the practicality of XAUT hospital, this paper designs methods of EPR integration in different structure based on XML existing in centralized and distributive instance is designed, and an ophthalmologic electronic patient record system using XML which is a new hot research topic in the domain of medical system.

本文在对医院信息系统的研究热点——电子病历和XML技术进行研究的基础上，设计了在异构数据环境下基于XML的集中式和分散式的电子病历集成方法，并结合西安理工大学医院眼科的实际情况，设计了一个基于XML的眼科电子病西安理工大学硕士学位论文历系统， xAUT医院信息系统的设计与应用，提高了医院的工作效率和信息化程度，为医院的信息管理带来了方便。

This paper introduces the development process of wastewater disposal,it's auto control system,the level of nowadays and several new techniques of China and foreign countries. The immanent structure,control rules,main features and design methods of auto control systems in wastewater disposal process are studied in this paper. Aiming at four typical parameters,such as temperature,dissolved oxygen,PH and the planes of water,the Distributed Control System is designed,composed by PC called epigyny computer and SCM 8098 called hypogyny computer,and some sensors,shift deliver utensils and related meet orifices of parameters gathering and figures communication. The idea and work processes of some program modules are also introduced here. The programs in epigyny computer include the program of mutual interface between operator and computer,figure disposal program and chart output program,which are exploited with Visual Basic 6.0. And the programs in hypogyny computer are composed by figure gathering program,the progr am of supervision and control of system,communication program and meet orifice program between assemble language and VB,which are designed with assemble language.

本文介绍了国内外污水处理及其自动控制系统的发展过程、当今水平和提高自动化程度的若干新技术；研究了污水处理自动控制系统的内在结构、控制规律、主要特点和设计方法；选取污水处理中的典型参数温度、溶解氧、PH值和液位等为控制对象，设计了以个人计算机为上位机、以8098单片机为下位机，并辅之以传感器、变送器及相关接口单元所构成的二级集散控制系统；介绍了几个主要程序模块的设计思路、工作过程，这些程序模块是：用高级语言Visual Basic6.0开发的上位机人机交互界面程序、数据处理和图表输出程序，用执行效率高的汇编语言开发的下位机数据采集与系统监控程序、上位机与下位机之间的数据通信程序，汇编语言与VB之间的转接程序，等等。

This paper introduces the development process of wastewater disposal,its auto control system,the level of nowadays and several new techniques of China and foreign countries. The immanent structure,control rules,main features and design methods of auto control systems in wastewater disposal process are studied in this paper. Aiming at four typical parameters,such as temperature,dissolved oxygen,PH and the planes of water,the Distributed Control System is designed,composed by PC called epigyny computer and SCM 8098 called hypogyny computer,and some sensors,shift deliver utensils and related meet orifices of parameters gathering and figures communication. The idea and work processes of some program modules are also introduced here. The programs in epigyny computer include the program of mutual interface between operator and computer,figure disposal program and chart output program,which are exploited with Visual Basic 6.0. And the programs in hypogyny computer are composed by figure gathering program,the program of supervision and control of system,communication program and meet orifice program between assemble language and VB,which are designed with assemble language.

本文介绍了国内外污水处理及其自动控制系统的发展过程、当今水平和提高自动化程度的若干新技术；研究了污水处理自动控制系统的内在结构、控制规律、主要特点和设计方法；选取污水处理中的典型参数温度、溶解氧、PH值和液位等为控制对象，设计了以个人计算机为上位机、以8098单片机为下位机，并辅之以传感器、变送器及相关接口单元所构成的二级集散控制系统；介绍了几个主要程序模块的设计思路、工作过程，这些程序模块是：用高级语言Visual Basic6.0开发的上位机人机交互界面程序、数据处理和图表输出程序，用执行效率高的汇编语言开发的下位机数据采集与系统监控程序、上位机与下位机之间的数据通信程序，汇编语言与VB之间的转接程序，等等。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。