先进

EMC lab has a 10m anechoic chamber, which is up to international advanced level.

电磁兼容实验室建有国际先进水平的标准10米法电波暗室。

Faced with the current rapid development of digital communications time, the company established a new product development-oriented in order to continuously improve quality, meet customer needs as the goal, the introduction of advanced equipment and production technology, and equipped with standard anechoic chamber and dust-free purification workshop and other facilities to ensure that the production environment and product quality stability.

面对当前发展迅速的数字通讯时代，公司确立了以新产品开发为导向，以不断提升品质，满足客户需要为目标，引进欧美先进设备和生产技术，并配备标准消声室和无尘净化车间等设施，保证了生产环境和产品品质的稳定性。

It is shown that laser anemometry, as a non-intrusive anemometer, is more suitable and convenient than traditional instruments in application to rotational flow fields, especially to the flow within centrifugal impellers which have only small width of flow passage.

研究表明，激光测速仪作为一种先进的非接触式测速仪器在旋转流场特别是流道高度很小的离心旋转流场的研究中较之传统仪器更合适、更方便。

The main work and the originality points of this dissertation could be concluded as the following parts:(1) To analyze systematically the mathematical model of LES of air flow in great space, under the case of isothermal and non-isothermal, as well as the combined action of buoyancy and strain. Some basic problems are studied about the LES application into airflow simulation of great space, such as boundary conditions, spatial difference scheme and time advancing scheme, time step etc., which creates the basis for the LES application to indoor airflow simulation.(2) Both the instantaneous and time averaged flow field of great space with multiple jets under isothermal and non-isothermal cases are explored with large eddy simulation method, and also discussed the dynamic characteristics and the law of fluidflow in the great space.(3) Based on the results of LES of the great space and the Fanger thermal comfort indexes, it is brought forward the concept of the series of dynamic thermal comfort evaluating indexes, which could be divided into thermal comfort index with time averaged properties PD, PPD, PMV, thermal comfort index with instantaneous properties IPD, IPPD, IPMV, and time averaged thermal comfort indexes TAPD, TAPPD, TAPMV, and transient situations time averaged thermal comfort indexes TTAPD, TTAPPD, TTAPMV. The differences among them and the calculation methods are discussed, and the four kinds of indexes are calculated with the thermal comfort index PD as an example.(4) Based on the LES results it is discussed the hot air stratification phenomena in air-conditioned buildings in the case with air supply and return registers on the ceiling and the case on the sidewall. The fundamentals of the hot air stratification are studied and the relations of estimating hot air stratification are brought forward.(5) With the advanced apparatus such as hot wire film anemometer IFA300 and laser particle field anemoscope, corresponding model test and site measurements have been done, which are compared with the simulation results and LES is proved a very promising method in air flow simulation indoor.

本文主要工作既创新点体现在以下几个方面：(1)系统分析了等温、非等温和考虑剪切力与浮升力综合作用的高大空间大涡模拟数学模型，并研究了高大空间大涡模拟在室内气流仿真应用中的一些基本问题，如边界条件、空间离散格式和时间推进格式、时间步长选择等问题，为大涡模拟在室内气流计算中的广泛应用打下了基础；(2)首次用大涡模拟方法研究了高雷诺数下高大空间多射流在等温、非等温情况下的瞬时流场和时均流场分布，并探讨了多射流流场的动态特性和流动规律；(3)基于大涡模拟的动态仿真结果和Fanger的热舒适指标，首次系统地提出了动态热舒适评价指标体系的概念：即基于时间平均参数的热舒适指标PD、PPD、PMV；基于瞬时参数的瞬时热指标IPD、IPPD、IPMV；基于时间平均热舒适指标TAPD、TAPPD、TAPMV；以及沿行动迹线的时间平均热舒适指标TTAPD、TTAPPD、TTAPMV，并分析了四类热舒适指标的差异性和计算方法，还以PD值为例对四类指标分别进行了计算；(4)基于数十种工况下空调房间大涡模拟的结果，研究了空调建筑上送上回和侧送侧回两种情况下热分层现象，并探讨了热分层的基本规律，首次提出了避免热分层现象的判断公式；(5)在暖通空调领域，首次使用IFA300热线风速仪、激光粒子速度场仪等先进设备，完成了与大涡模拟相对应的模型试验，并把实测结果与仿真结果进行了对比，说明LES在室内气流仿真方面是一种很有前景的方法。

The manufacture process is very; the parts and components, including electric motor, reducer, breaker and cable reels, all adopt the updated products; the whole machine has advanced technologies, reliable performance and novel structure; it has many safety protection facilities, such as: overload equipment, height indication equipment, stroke ultimate position terminal protector, electric rail clamp and anemoscope to ensure the normal operation of the equipment.

跨度大，一机多用，可同时装置主钩、副钩等结构；主梁、横梁、支腿等主要结构为箱形梁，强度与刚度好，制造工艺简单；零部件包括电机、减速器、制动器、电缆卷筒等均选用最新产品，整机技术先进，性能可靠，结构新颖；有超载装置、高度指示装置、行程极限位置终端保护装置、电动夹轨器、风速仪等安全设施，保证设备的正常运行。

My company mainly produces a variety of galvanized flat steel, round bar, angle, channel, rod and communications, power equipment and highway divider, and foreign contract processing zinc business, the use of advanced automated factory lines, With an annual output of a variety of hot galvanized products with annual sales of 500 million yuan.

我公司主要生产各种规格的镀锌扁钢、圆钢、角钢、槽钢、盘条及通讯、电力器材及高速公路护栏等，并且对外承揽加工镀锌业务，本厂采用先进的自动化流水线，年产各种规格的热镀锌产品，年销售额5亿元人民币。

SaiMei mainly deals in all ranges of hardware fittings with advanced technology and equipments e.g. slotted angle, shelving, bracket, belt steel, steel pipe, laminate, galvanized steel plate, galvanized steel pipe, TV shelf, warehouse shelf, nails, wire, wire net, furniture, section steel, ect. The technology in steel rolling, auto pressing, moulding, surface treatment keeps ahead of the world.

公司主营万能角钢、货架、支架、电视架、仓储货架、置物架、优质带钢、钢管、层板、镀锌钢板、镀锌钢管、钉子，铁丝，铁丝网、家具、型材等五金制品，技术力量雄厚、生产设备先进，其中轧钢镀锌、自动冲压、滚压成型和表面处理等技术领先世界水平。

Function for cutting angle iron. The tool has the advantage of

是专门用于切断角钢的一种先进工具。

The device uses the most advanced eddy current testing the technology, resolution up to 10 Egypt (1 micron = 10,000 angstrom) and the test easily and quickly.

该设备采用最先进的涡流法测试技术，分辨率可达到10埃（1微米＝10000埃），而且测试方便迅速。

Therefore,the fundamental solution to eradicate organized crime is to animadvert the confr

因此，彻底批判帮会文化，肃清其流毒，并切实加强先进文化建设，是扼制有组织犯罪的根本之策。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。