本文利用图论的理论与方法对邮区中心局的选址问题进行优化。
This article focuses on the optimization of the site-choosing of the central office in the post district, using the principles and methods in Graph Theory.
将客户电话和电话公司中心局连接的一种业务，中心局通常不为客户直接服务。
A service that connects a customer's telephone to a telephone company central office normally not serving the customer's locations.
提出了邮政运输网路中的派车优化数学模型和优选邮区中心局的数学模型，并进行了简要的分析。
The paper presents some optimum mathematical models for dispatching vehicles in a postal transport network or selecting postal district centres. A brief analysis of these models is given.
一种配线框架，在水平面上装有所有外部线路，在垂直面上装有中心局设备的端线及它们的保护装置。
A distributing frame carrying on one side all outside lines, and on the other side the terminations of the central office equipment and protective devices for them.
本文分析了局用语音信箱系统构成和语音平台功能，最后指出语音信箱的市场前景在于中心局或大型企业。
In this paper, the VM system constituents and speech platform functions are analysed and it is pointed out that the future VMS market lies in the central offices or large enterprises.
许多已有的CO(中心局)dsl调制解调器可以只支持相对较窄的接收频率范围，这会增加估计宽的多的远端环路噪声的难度。
Many existing CO DSL modems may only support a relatively narrow receive frequency range, which will increase the difficulty of estimating the much wider bandwidth far-end loop noise.
具体来说，若所租赁的场所距离Internet主干网中心局较近，那么它的租金往往也会高于那些距离较远且ping时间较差的那些场所。
That is, facilities within close proximity to an Internet backbone center tend to have higher rent rates than those farther away and without good ping times.
这些车站由一个控制中心管理。该中心被中国铁路北京局集团，也就是北京铁路局，称为一个“智能大脑”。
The stations are managed by one control center, which is described by China Railway Beijing Group—also known as CR Bejing—as an "intelligent (智能的) brain".
“利用这些信息，中心的工作人员可以控制车站的灯光和温度、监测列车的运行和处理紧急情况。”来自中铁北京局集团的朱殿平说。
"With the information, the workers in the center can control the stations' lighting and temperature, monitor trains' operation and deal with emergencies," said Zhu Dianping, from CR Beiing.
作为市镇中心的邮局昨天庆祝它建局二十周年。
The post office centralizing the town celebrated its 20th anniversary yesterday.
要获得你将旅行的地区是否有霍乱的信息，与你的卫生保健提供者、地方公共卫生局或旅行卫生中心联系。
For information of whether there is cholera in the area where you are travelling, contact your health care provider, local office of public health or travel health centre.
巴黎的埃菲尔铁塔，希腊的帕台农神庙，威尼斯市中心的警察局。
The Eiffel Tower in Paris, the Parthenon in Greece, the downtown police station in Venice.
根据美国国家航空航天管理局(nasa)格伦研究中心太空法案协议的条款，INPROX公司对传感器的开发接受NASA的监督。
INPROX is developing the sensors under supervision of the National Aeronautics and Space Administration (NASA) under terms of a Space Act Agreement (SAA) with NASA Glenn Research Center.
将自己称作“最大最全最活跃的天气数据”的中心，从世界各地的国家气象局得到每月的更新数据。
The center, which calls itself "the largest active archive of weather data," gets monthly updates from national weather bureaus around the world.
资料来源：美国食品和药物管理局，国家软饮料协会，公众利益科学中心。
Source: U.S. Food and Drug Administration, National Soft Drink Association, Center for Science in the Public Interest.
在此期间，美国宇航局的兰利研究中心在弗吉尼亚州正在与业界伙伴合作制定一个全面电子玻璃座舱飞行显示系统的概念。
In the meantime, NASA's Langley Research Center in Virginia was working with industry partners to develop a concept for a fully electronic glass cockpit flight display system.
国家海洋和大气管理局国家气象数据中心主管汤姆卡尔说，“有一个根据过去气候情况所建的完整运输基础设施。”
“There is a whole transportation infrastructure that is developed on the climate of the past, ” said Tom Karl, head of NOAA’s National Climactic Data Center.
德国航空航天中心、马克斯·普朗克太阳系研究中心、意大利航天局和意大利国家天体物理研究所也是这个计划工作团队的一部分。
The German Aerospace Center, the Max Planck Institute for Solar System Research, the Italian space Agency and the Italian National Astrophysical Institute are part of the mission's team.
虽然这个演示只是一个学术活动，一些火箭队的校友们后来去美国宇航局工作了，航天局马歇尔航天飞行中心离亨茨维尔阿拉巴马大学就隔条街。
Although the presentation is just an academic exercise, several rocket-crew alums go on to work for NASA, which has its Marshall Space Flight Center just down the road from UAH.
丈夫是一个雷厉风行的人，他立刻打开笔记本电脑，登陆到国家卫生事业局猪流感症状查询中心。
Being a man of action, he brought up the laptop and logged on to the NHS Swine Flu symptom-checker.
美国宇航局戈达德宇航中心的研究人员绘制了第一套陆地植物荧光地图。微红的荧光是叶子释放出因光合作用产生的一种副产物。
Researchers at NASA's Goddard Space Flight Center have produced the first global maps of land-plant fluorescence, a reddish glow that leaves emit as a byproduct of photosynthesis.
休斯顿火箭队美国宇航局控制中心位于休斯顿，因此取名火箭队。
TheHoustonRockets: The NASA Mission Control Center is located in Houston; hence the name "Rockets".
美国地质调查局康涅狄格水文科学中心的水文专家约翰·马拉尼称数据也证明了城市化如何影响水路。
Hydrologist John Mullaney, of the USGS's Connecticut water Science Center, says that the data further clarify how urbanization affects waterways.
新中心由美国国家情报局（DIA）直接领导，将把CIFA的资源和责任与国家情报局的长期反间谍和人工情报能力相结合。
The new center, under the direction of the Defense Intelligence Agency (DIA), combines CIFA resources and responsibilities with longstanding DIA CI and HUMINT capabilities.
如果通话者说可提供视频或图片材料，纽约警察局实时犯罪中心的侦探就会打电话回去接收图像。
If the caller says that video or photos are available, a detective with the New York Police Department's Real Time Crime Center will call back to receive the images.
伊利诺伊州州长帕特·奎恩的运营总监杰克·莱文表示，把汤姆森惩戒中心卖给美国监狱管理局有助于创造就业机会。
Illinois Governor Pat Quinn's Chief Operating Officer Jack Lavin said selling Thomson to the U.S. Bureau of Prisons would help create jobs.
周四发现号航天飞机被从机库拖至了位于佛罗里达的美国航空航天局肯尼迪航天中心的飞船总装车间。
Discovery was towed from its hangar and into the Nasa's Kennedy Space Center's vehicle assembly building in Florida on Thursday.
WTC研究是由疾病控制与预防中心、国家环境卫生中心和纽约市卫生局和精神卫生部赞助。
The WTC study was supported by the Centers for Disease Control and Prevention, the National Center for Environmental Health, and the New York City Department of Health and Mental Hygiene.
位于阿贝·普萨的保护康复中心由康复总警监局负责。
The Protection and Rehabilitation Centre in Ambepussa is run by the Bureau of the Commissioner-General of Rehabilitation.
位于阿贝·普萨的保护康复中心由康复总警监局负责。
The Protection and Rehabilitation Centre in Ambepussa is run by the Bureau of the Commissioner-General of Rehabilitation.
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