通信网络

Microsoft, for instance, is busily diversifying into cable and mobile telecommunications as well as WebTV.

例如，微软目前正全力转向多元经营，开始涉足有线电视通信、移动通信和网络电视。

I. Background, intention and the scope of the studying With the development of information and communication technology, especially the development of networking technology, the consumers' way of shopping has also changed (traditional aspectant trading → purchasing for commodities and services at any time and anywhere, surpassing time and space → buying commodities in the virtual world).

一、研究背景，目的和研究范围随着信息通信技术的发展，特别是网络技术的发展在人们的日常生活与企业活动中有了很多变化。消费者的购买方式也变化了。（传统的面对面方式→超越时间与空间随时随地可以购买商品-在虚拟世界中购买商品）。这样的发展环境下电子交易成为了21世纪世界交易的新趋向。随着通信技术与电脑技术的飞跃发展出现了没有时空限制的新交易类型，而这种类型的新交易实现了交易的多样化，大量化，信用化，国际化等。

We use the character of dynamic conferences, introduce verification secret key set, give the calculation formule of probability of some successful attacks in authentication schemes for dynamic confereices.

在这一部分，我们讨论了网络拓朴结构不是完全图的情形，提出了通信图认证系统，利用图的特征，得出了要使系统充分安全，各用户应掌握的密钥空间的大小，给出了一种构造通信图认证系统的方法。。

In contrast, Web isits are structured consultations focused on nonurgent chief complaints (e.g., cough), inoling menus of questions tailored to the problem, brief answers by the patient, and a response from the physician proided within a certain period.

我们采用的电子医疗模型除了可以安全地进行网络信息交流以外，主要提供以下四项服务：在线预约安排，电子处方补充，综合的通信联系，医生的系统登陆。综合的通信联系使病人可以在线咨询一些简单的问题，从而减少了许多电话访问（如，我下次就诊之前需要先拍一个胸片吗？

China Network Communication Group Corporation is composed by the ormer northern ten province's corporations from China Telecom, Jitong Network Communications Stock Co., Ltd.

中国网通集团公司是根据国务院关于电信南北分拆精神，由原中国电信北方十省公司、中国吉通通信有限公司、中国网络通信有限公司三家组建成立的。

Short message service is an important overfly of wireless communication at the end of 20th Century, it made wireless network can transfer both audio and data .

短消息服务是无线通信在二十世纪末出现的新通信方式。这使得移动网络不仅可以传送音频，也可以传送数据。

In recent years, the mobilephone market in China is overall taking on a big development tendence.

近几年国内移动电话市场飞速发展，上海光大通信天地占据市场先机，率先建立了全国最大的通信产品的连锁零售网络。

The reason I cannot set up a website inside China is that if I have it hosted on the mainland, in accordance with China's legal system, I would be required to register. If, following registration the website carries content related to something political, just a phone call from the "communication administration" would see my posts deleted, and in the case the webmaster happens to be unreachable, the "communication administration" will notify the ISP to delete the website of the host server, render it unvisitable.

我无法在国内建立网站的原因是：如果我将网站放在国内，按照中国的法律制度，我必须备案登记，如果备案后网站主人写了与时政有关的内容，就会接到&通信管理局&的电话让我们删除相关文章，如果联系不上网站主人，&通信管理局&就会通知网络接入商在主机上删除站点导致人们无法访问这个网站。

With the development of telecommunication technology, the service of communication will turn to broadband service charactered as high speed IP data and multimedia data which require the optical network based on the technology of DWDM provide larger capacity to transfer information.

随着通信技术的发展，通信业务将转向以高速IP 数据和多媒体为代表的宽带业务，这就要求以波分复用技术为基础的光传输网络能够承载更多的信息量。

Under the help of Mobile IP, people are never confined to time and interspaces; instead, they are able to communicate with any network node in Internet at any time and any place. Communication will not be cut off as the change of place.

Mobile IP使得人们不再拘泥于时间和空间，可以随时随地的与Internet上的其他网络节点进行通信，不会因为位置的变化而造成通信中断。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。