同中心的

More asperities tend to interact with each other and affect the central contact zone in elastic-plastic contacts as compared with elastic contacts. The change of spacing and radius of asperities and indentation depth would influence the asperity interaction.

同弹性接触相比，在弹塑性接触过程中有更多的邻近粗糙峰对中心接触区发生作用，改变粗糙峰的间距、曲率半径和压下深度都会对其产生影响。

2The company area more than 60,000 square meters, have the domestic technology leading entire automatic and semiautomatic production line equipment 16, the technical force abundant, craft technological advance, each kind of product examines well appointed, the product quality reliable, the post-sale service is complete, by the electric power company Xi'an hot working research institute, the Hebei Province quality testing center sample survey is reaches the sign product, is saved, evaluates the consumer credit-worthy organization, superposes the same code of honor to use the unit, also is provinces and cities one of hundred strong enterprises.

公司占地面积6万多平方米，拥有国内技术领先的全自动和半自动生产线设备16条，技术力量雄厚，工艺技术先进、各种产品检测设备齐全，产品质量可靠、售后服务周全，被电力公司西安热工研究院、河北省质检中心抽样检验均属达标产品，被省、地评为消费者信得过单位，重合同守信用单位，也是省市百强企业之一。公司主要产品：晶玉橡塑绝热保温材料、晶玉硅酸铝耐火保温材料、晶玉阴阳离子交换树脂、水处理药剂系列产品等。产品热销全国个地市，部分产品已打入国际市场，出口英国、哈萨克斯坦等国。

In early 2004 after the establishment of industrial gas center, first of all, the implementation of the gas renovation project, using new welding and cutting gas supply to replace the points with the car company for decades the use of acetylene gas pipeline.

2004年年初工业气体中心成立后，首先实施了供气改造工程，用新型焊割气分点供气取代了同车公司使用了几十年的乙炔气管道供气。

Features contain information and rules describing conditions, such as how and where material removal should occur, cutting depths, whether to use climb cutting or not, whether to spot drill or center drill, and preferred machining strategies for roughing and finishing.

加工特征包含了加工条件信息和规则，例如在何处和如何移除材料；切削深度；是否采用同向铣削；采用锪孔钻还是中心孔钻；以及优选的粗糙度和表面处理加工策略。

Smith chart was used first, an resonator was designed, whose center frequency and impedance ratio are 930MHz and 0.172 respectly.

设计了一中心频率为930MHz，阻抗比为0.172的介质同轴谐振器，其总长度约等于八分之一波长。

AAP's Sy dney headquarters has satellite, microwave and cable links with the world's ma jor news centers.

设在悉尼的澳联社总部使用卫星，微波和海底电缆同世界几大新闻中心保持联系。

For improving the maneuver stability,safety and decreasing the tire wear,the combination of the optimization software,modefrontier and msc.adams,is applied to design the steering mechanism,with bottom angle of steering trapezoid,arm length,kingpins distance and axles distance as design parameters,transmit angle as constraint,minimum error between theoretical and practical steering angle as objective function,and simulated annealing as the optimization algorithm.

为了提高汽车操纵稳定性、安全性及减少轮胎磨损，将数值优化软件modefrontier同机械动力学仿真分析软件m sc.adam s集成，以转向梯形底角、转向臂长度、主销中心距和轴距为设计参数，传动角为约束，以转向时内轮实际转角与理论转角的误差最小为目标函数，采用模拟退火算法对转向机构进行最优化设计。

This year sent 10 AIDS expert team from Tongji Hospital, Peking Union Medical College Hospital, the Provincial People's Hospital, Zhongnan Hospital, the provincial hospital of Chinese medicine, the Provincial Cancer Hospital, the provincial Xinhua Hospital, Zhongshan Hospital, the provincial CDC and provincial maternal and child health care hospital formation.

今年派出的10支防艾专家队，分别由同济医院、协和医院、省人民医院、中南医院、省中医院、省肿瘤医院、省新华医院、省中山医院、省疾控中心和省妇幼保健院组建。

Experts and scholars come from Aalborg University、Shanghai Jiao Tong University、East China Normal University、Shanghai University、Tongji University 、Shanghai Research Center for Wireless Communications and Huawei attend the Seminar.

丹麦Aalborg大学、上海交通大学、华东师范大学、上海大学、上海无线通信研究中心、华为宽带无线接入国家重点实验室、同济大学等单位的专家和学生出席了研讨会。

The National Stadium, Beijing beat off stiff competition from five other shortlisted buildings: Beijing Capital International Airport Terminal 3; Watercube, National Swimming Centre, Beijing; Museum Brandhorst, Munich; Sean O'Casey Community Centre; and The British High Commission, Colombo, Sri Lanka.

与北京国家体育馆同获大奖提名并同台竞技的其它五个建筑分别为：北京国际机场三号航站楼、北京水立方游泳馆、慕尼黑布兰德霍斯特博物馆、肖恩·奥凯西社区中心，以及英国驻斯里兰卡科伦坡大使馆。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。