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The main products have sand plate, brushed sand disk, self-adhesive sand plate, steel plate sand paper, sand paper, emery cloth, emery cloth sandpaper belt, sand volume, sand ring and so on, products are mainly used in automobile and its accessories, metal-working manufacturing, wood products, furniture, lacquer ware, stone products, musical instruments, textiles, leather, construction materials, civil fabricated metal products, handicrafts, glass, ceramics, rubber, plastic products, electronic circuit boards, shipbuilding and other industries.

主要产品有砂盘、拉绒砂盘、自粘砂盘、钢纸砂盘、砂纸、砂布、砂布砂纸带、砂卷、砂圈等，产品主要用于汽车及其配件、金属加工制造、木制品、家具、漆器、石制品、乐器、纺织品、皮革、建材、民用金属制品、工艺品、玻璃、陶瓷、橡胶、塑料制品、电子线路板、造船等行业。

Firstly,the paper introduces some related concepts of employment and exchange rate,focused on the difference between the nominal and real exchange rates,price index that impacts the calculation of real effective exchange rate,characteristics of the labor market and the present situation and major issues of labor-intensive industries in China,and reviews the academic study of the relationship between the change of exchange rate and employment and explains the research characteristics of this paper.

本文首先对与汇率和就业的相关概念进行解析，重点讨论了名义汇率与实际汇率的区别、影响实际有效汇率计算的价格指数、劳动力市场的特征及劳动密集型产业在我国存在的现状及主要问题，回顾了学术界研究汇率变动与就业关系的相关成果，阐述了本文的研究特色。

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 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。

In view of the rheological property of the heavy oil in Bo-hai field, this paper deduces the multilateral wells'production model of Non-Newtonian Bingham fluid with equiangular transformation method. In view of the multilateral wells Bo-hai, the paper analyses the multilateral wells'capitalized cost composition, including pre-drilling engineering, drilling engineering, completion engineering and production engineering. It also constructs the multilateral wells'economic benefit models basing on net present value, inner rate of return and payback period.

针对我国渤海油田稠油的流变特性，运用保角变换方法，推导了非牛顿Bingham流体的分支水平井产能模型；针对渤海油田的分支井，从钻前工程、钻井工程、完井工程、采油工程等方面对分支井的投资成本费用构成进行了具体分析；最后以净现值、内部收益率、投资回收期经济评价指标为基础，建立了海上分支井经济效益模型，并根据所建模型应用VB。

This paper analyzed ecological effects of eucalypt planting,environmental impacts of pulp production,economic benefit,and profit allocation on the project of forestry-pulp-paper integration in social-economic development of Yunnan Province in terms of environmental ethics.

从区域发展的案例入手，从哲学层面分析区域发展中人与环境产生冲突的原因，构建区域可持续发展环境伦理观，明确不同利益主体应承担的环境伦理责任与义务，是实现可持续发展的必要内容。

So, I wrote a paper on the random answers of the examination paper.

于是，我在试卷上随便写了个答案，就交卷了。

This paper extends the ant colony algorithm which is used for solving 0-1 knapsack problem in reference [7], and gets enlightenment from the ant colony algorithm with 2-opt local optimization for solving traveling salesman problems: Exchange strategy can make the algorithm have faster convergence rate and get better quality solution. So this paper presents the ant colony algorithm based on exchange stragegy.

本文推广了文献[7]中求解单维0-1背包问题的蚁群算法，并从结合2-opt等局部优化的蚁群算法求解旅行商问题中得到启示：通过交换策略可以加快算法的收敛速度和获取更高质量的解，因此提出了基于交换策略的蚁群算法。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。