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Based on a series of signal process and noise source identification techniques, especially the major noise source identification methods, such as expurgation method, sound intensity analysis, spectrum analysis vibro-acoustic correlation analysis and so on, the pass-by noise control of SC7080A and SC6360B are studied in detail. By the roadway and dais experiments, the major noise and radiating parts are identified and some economical controlling methods are made. For the SC7080A, to control the emissing noise from the intake and shell vibration of air cleaner, a intake muffler is installed between the air cleaner and intake valve. Based on the theory of Helmholtz resonator, One three-parallel-connected resonant silencer is designed and trial-manufactured. For the SC6360B, the attenuation performance of exhaust muffler in high frequency region is improved. To reduce the vibration noise of shell part, the structure of oil sump tank, exhaust manifold shield and exhaust manifold shield are analyzed and improved. At the same time, some measures, such as sound absorption, sound insulation, are taken to reduce the noise of engine surface emissivity and a sound shield is designed.

本文首先综述了目前国内外汽车加速噪声控制的现状、主要方法和技术措施，在此基础上，结合SC7080A和SC6350B汽车的车外加速噪声水平及现状，综合运用分别运行法、声强法、频谱分析法、声振相干函数法等现代噪声源识别方法，对SC7080A和SC6360B汽车进行了准确详细的车外加速噪声源识别并提出了经济可行的控制方案，针对SC7080A，主要在空气滤清器和进气阀门之间的进气管道上加装进气消声器，抑制空气滤清器壳体表面和进气口两处的噪声辐射，根据Helmholtz共振腔原理设计了三腔并联旁支型共振消声器，并进行了工程化设计和试制；针对SC6360B，主要改善了排气消声器在高频段的消声性能，对罩壳类零件进行了结构改进，降低了其表面噪声的辐射，并对发动机舱进行了吸声、隔声处理，设计了发动机隔声罩。

Be not the characteristic of mapping major to suit, measure learn to should locate in mapping science and technology or on the level of geospace informatics, its content should include mandatory, take as an elective course and appendix 3 parts, different major but the basis needs selectively tuitional.

为了适应非测绘专业的特征，测量学应定位在测绘科学技术或者地球空间信息学的层面上，其内容应包含必修、选修及附录三部分，不同专业可根据需要有选择地讲授。

This paper divides into 4 parts totally: the first part is the prolegomenon; it introduced the major problem of this paper, collects the former related documents and make a brief classify summary of them, point out the major viewpoint of them.

本论文共分为四个部分：第一部分是论文的引言，介绍了本文的主要问题，并对作者能够收集到的以往的相关文献做了一个简要的归类总结，指出了它们的主要观点和不足。

Job Requirement: 1、Specialist skills, machinofacture major and related major; 2、More than three years experience in mechanical design; 3、Familiar with the products of the manufacturing process, processing technology; 4、Familiar with the design about the mechanical parts; 5、Skilled use Pro/E to draw 3D and 2D drawings; 6、Proficiency in MS-office; 7、Ability of reading English specification and manual of equipment.

任职要求： 1、专科以上学历，机械制造或相关专业； 2、三年以上机械设计经验； 3、熟悉产品的制造工艺、加工工艺； 4、熟悉机械部件的设计； 5、熟练应用Pro/E制作三维效果图及二维工程图； 6、熟练操作办公软件； 7、能够看懂英文资料和说明书。

Job Requirement: 1、Specialist skills, machinofacture major and related major; 2、Familiar with the products of the manufacturing process, processing technology; 3、Familiar with the design about the mechanical parts; 4、Skilled use Pro/E, UG, AutoCAD and so on; 5、Proficiency in MS-office; 6、Familiar with QC;7、Be suitable for English working atmosphere.

任职要求： 1、本科以上学历，机械制造或相关专业； 2、熟悉机械产品的制造及加工工艺； 3、熟悉机械部件的设计； 4、熟练应用Pro/E等绘图软件； 5、熟练操作办公软件； 6、熟悉产品的质量控制；7、能使用英文工作。

The third part include two sections.The first section analysis several major problems existing in our country\'s system of POBS,basing on the first and second parts.The major problems includes following:the stipulation about the concept and suitable the condition of POBS is unclear,which provides the possibility of abuse;there is conflict between laws;laws are too principle to operate.

第二部分，此部分运用比较分析的方法，从在职竞业禁止、离职竞业禁止两种情形出发，即以英国、美国、德国、法国的相关法律为例对经济发达国家的劳动者竞业禁止制度予以阐述，又对我国劳动者竞业禁止制度现状进行了全面阐述。

The shape and forming pattern of the complicated vehicle parts have been studied and a new method for forming classification of parts has been proposed according to the shape characteristics and major forming patterns of critical portions in the press forming.

对汽车复杂冲压件的结构特征和变形方式进行分析，根据零件冲压成形中危险部位的结构特征和主要变形方式，建立了对零件进行成形分类的新方法。

The company since its inception has been engaged in the development of hydraulic parts and sales; main products have various types of hydraulic tubes and assembly of hard and soft, hydraulic components, Japan Construction Machinery Co., Ltd. chassis parts, instrumentation, etc.; distribution of the major brands have Germany Hose Sunway, Italy Manuli, Germany Aeroquip, the United States Sel, the United States MEGASPIRAL, Libao, etc.; Express connector (Italy: DNP brand), the management folder, resin tube (UK: EUROFLOW brand), high pressure ball valve, Teflon tube, withhold machine (Finland: FINN-POWER), a variety of industrial tubes, such as high-temperature steam pipes, cement pipes and so on.

公司自成立以来一直从事液压零件的研制和销售；主要产品有各种型号的液压软硬管及总成、液压零部件、日本株式会社工程机械底盘件、仪器仪表等；经销的胶管品牌主要有德国Sunway 、意大利Manuli 、德国Aeroquip、美国Sel 、美国MEGASPIRAL、Libao等；快速接头，管夹，树脂管（英国：EUROFLOW品牌），高压球阀，铁弗龙管，扣压机（芬兰：FINN-POWER），各种工业管，如高温蒸汽管，水泥浆管等。

Major process products have: jig and fixture of aircraft assembly plant and auxiliary tools; tire vulcanization and tire production line、transmission line 、loader、Lay-tire equipment、tire mould、clean mould machine、repair mould machine、tire mold 3D intelligent;warehouse palletizer;oil platform;fur machinery; electrical engineering alloy、contact process;hydraulic elevator accumulator、1t—50t electric hoist and crane machine; door and window manufacturing machine、varouris kinds of large scalestabilization machinery and mixing machine; Grain and oil produce equipment、auxiliary machine and control system; Satellite Launching base facilities; tire forming machine、cutter etc equipment parts; various kinds of box of reducer; milk packing machine and parts; elevator up and down operate panel、controlling Single Chip Micr-computer and Elevator Group Supervisory Control System; repair circuit disk produce equipment and imported equipment copped; air and water treatment equipments,etc.

主要加工产品有：飞机组装厂夹具和辅助机具；轮胎硫化机及轮胎生产线、传输线、抓胎机、存胎器、轮胎模具、洗模机、修模机、轮胎模具智能三维检测仪；立体仓库堆垛机；石油钻井平台；皮毛机械；电工合金、触头加工；液压升降台、1吨－50吨电葫芦和起重机；门窗生产机具、各种大型搅拌机械和研磨机械；粮油生产设备、辅助设备和控制系统；卫星发射基地设施；轮胎成型机、裁断机等设备配件；各类减速机箱体；牛奶包装机及配件；电梯升降操纵面板、控制单片机和电梯群控系统总成；线路芯片生产设备大修和进口设备仿制；空气和污水处理设备等。

Hengyang is the second largest city in Hunan province, which enjoys a long history and rich resources. Wang Chuan San, one of the greatest ideologists of Early Period of the Qing Dynasty, was born here. The company is well-located and easy of access, which is close to Mountain Heng,and Xingjiang river.Hengyang airport will start to be constructed. Hengyang is Close to the coast and it is near Hong Kong and Macao,too. it has connected eastern parts of China and western parts of China for long, and it has always been a major commodity and the southern distribution center.

衡阳是湖南省第二大城市，人杰地灵、物华天宝，历史文化悠久，为明末清初伟大思想家王船山的故乡，公司毗邻五岳独秀的南岳衡山和美丽的湘江，区位优越，铁路、公路、水运等交通极为便利，衡阳机场也于近期开工建设，紧靠沿海，临近港澳，承东接西，是沿海的内地和内地的前沿；&扼两广，锁荆吴&，地处&南北要冲&，历来是商贾云集处和江南主要商品集散地。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。