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The central limit theorem states that the standardized average of any population with mean m and variance s2 is asymptotically ~N(0,1), or

的总体的标准化平均值的分布渐近趋向于N0，1

The results are as follow:(1) In static status, the velocity of jet flow shows a symmetry distribution through central axis of enclosure.

结果表明，腔体静止时，射流速度沿腔体中心轴对称分布，腔体中心轴上的速度最大，两侧流速逐渐减小，近壁处为零；腔体转动时，在哥氏力的作用下，射流中心发生偏转，流场相对于腔体中心轴不再对称分布，腔体中各点处的流速分布随角速度而变化，压电射流角速度传感器利用这一特性敏感角速度。

From these data, the desertification has developed based on the fluctuating humidity before 1980s and reverse after 1980s in study area. The results from analysis on climate and land use change in late 50 years show that changefully precipitation is the main natural background that...

对研究区近50a来的气候及土地利用方式变化的分析表明，气候因素中降水的多变性是研究区土地沙漠化发生的自然背景，而滞后于气候变化的土地利用方式改变则是研究区沙漠化最主要的成因。

It improves your spirit and clear-headedness. it is very good for your stomach, blood and liver. therefore in 21th century, the tea food has become the fashion food of health care, and plays an important part in food and beverage market.keywords:chinese tea culture;tea food;tea food;tea banquet

更由于茶有很多益于人体健康的因子与功效，诸如健胃消食、提神醒脑、降脂清毒等等，所以进入二十一世纪以来，人们出于对健康的需求，茶膳在近几年来又成为炙手可热的保健食品，在餐饮市场上大行其道，而且大有方兴未艾的势头。

GTE is located in PANYU GUANGZHOU where has a convenient traffic and beautiful surroundings, covering 55000 square meters area,Coagent has 500 employees among whom there are 135 professional technicians,"FORMAN" of GTE become a famous brand of "Built-in GPS+DVD navigation system","FORMAN" products, including car system of DVD+GPS, GPS+PMP,AV and Audio, have been made rapid progress in car component ,car market and oversea export market, and made great success in becoming competitive car DVD+GPS+TV system products of many SUV car and sedan manufacturers and GTE has obtained good praise of the native and oversea car manufacturers.

广州市国通汽车有限公司，创立于1994年，座落于交通便利、环境优美的广州市番禺区，占地面积近55000平方米，精英汇集，技术力量雄厚，是专业研发、生产和销售车载和便携GPS/DVD全球卫星定位导航多媒体影音系统、汽车电子智能控制系统等电子产品的高科技企业，旗下拥有"Forman大众领航"品牌，在汽车导航影音系统以及便携式汽车导航产品等领域引领着行业的前沿，国通优质的汽车电子产品在汽车售后市场、海外出口和整车配套三大块市场均取得了长足的发展。

Here reigned a species of things that was, no matter how compliantly it bowed to the minor whims of fashion, in the main so wholly convinced of itself and its permanence that it took no account of wear, inheritance, or moves, remaining forever equally near to and far from its ending, which seemed the ending of all things.

统治这里的是这样一类事物，不管它如何顺从于潮流的变幻无常，大体上它仍坚信自己，坚信自己的永恒性。因此它不考虑磨损、继承或变化，永远与它的末日保持相同地远又相同地近，仿佛它的末日，就是万物的末日一般。

Our production of vegetables and fruits are the professional production, processing, trade in the enterprise, the company has import and export operation rights, HACCP certification and the United States FDA Registration, Jewish certified, have a first-class production management and many years of production experience to ensure a high quality products, the company in processing and sales of quick-frozen peas, green concanavalin, sweet corn, carrots and a variety of small ratio of mixed vegetables, strawberries, onions, leeks, pepper, ginger, garlic near 10,000 tons.

我司是生产蔬菜和水果的专业生产、加工、贸易于一体的企业，公司有进出口经营权，HACCP认证和美国FDA注册、犹太认证，拥有一流的生产管理和多年的生产经验，保证了高品质的产品，公司年加工销售速冻青豆、青刀豆、甜玉米、胡萝卜丁和各种配比的混合菜、草莓、大葱、韭菜、辣椒、大姜、大蒜近一万吨。

Accordingly,the attribute of stability,concordance and the rate of evolvement are applied to characterize the system.

近十年来，国内外许多学者从不同角度展开了水资源可持续利用的研究，主要集中于评价

A close a long way, and you are not associated with the lives of the two bodies blend in the same space condensation point.

一个很近一个很远，而你是将两个无关联的生命体糅合于同一空间的凝结点。

One very close and one very far, and you make these two unrelated lives blend together at one condensation point in one space and time.

一个很近一个很远，而你是将两个无关联的生命体糅合于同一空间的凝结点。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。