He could never quite accept my explanation that IP networks were more like electronic postal systems than telephone systems.
他也从来不会好好地听我给他解释说现在的IP网络更象电子邮政系统，而非他当年的电话系统。
In the physical world, most networks-railways, airlines, telephone systems-are collections of more or less connected islands.
在物理的世界里，大部分的网络-铁路，航空，电话系统-都只是一堆堆或多或少相联系的岛屿。
It is anticipated that the works on upgrading 157 old emergency telephones for operation under the new regional emergency telephone systems will be completed in mid-1999.
其中改良157部旧有求助电话性能的工程预计在1999年年中完成。
Responsible for the maintenance of the ELV, telephone systems, fire alarm, monitoring system. To assist the operation and maintenance work of the audio and video installation.
负责弱电、电话系统、消防报警、监控系统等的维护和保养工作，同时协助处理音响及视频的安装、操作、维修及保养工作。
With the advent of multi-channel mobile telephone systems, intermodulation interferences will become increasingly high, often resulting in serious impairments on communication.
随着多频道共用移动电话系统的出现，互调干扰将日趋严重，以致使在一定范围内严重影响通信。
“We’ve seen a sustained drop in global volumes, ” Henry Stern, a senior security analyst at Cisco Systems, said in a telephone interview from San Francisco.
“我们发现全球的垃圾邮件量稳步下降”，Cisco的高级安全分析师HenryStern在一次电话采访中说道。
In any event, voice applications have gone beyond one-word systems and provide a more natural system interface than pressing buttons on a telephone.
在任何情况下，语音应用程序都已不再只是单词(one - word)系统，它提供一种更自然的系统界面而不是在电话上按按纽。
Allow voting over many channels, both traditional voting booths (perhaps electronic) and remote systems like Web pages, telephone voting, kiosks, and so on.
允许通过多种渠道投票，包括传统的投票站(可以是电子投票)和诸如网页、电话投票、信息站之类的远程系统。
The telephone network is perhaps the largest example of a system made up of interconnected systems, and its continual operation is a testament to the effectiveness of such systems.
电话网络也许是由互连系统组成的系统的一个最大的示例，并且它的连续工作也证明了这种系统的有效性。
The horrible computerized telephone-answering systems that we all now suffer with might actually improve.
现在我们仍在忍受的令人发指的电话回复系统可能有望被改进。
Some systems, like the telephone system, use a network of cables, wires, and switching stations for point-to-point communication.
有些系统，如电话系统，使用由电缆、导线和交换台组成的网络，来进行点对点的通信。
Most were kids, playing around with the telephone network, infiltrating early computer systems and slinging smack talk about their activities on bulletin boards.
他们大多数是孩子，通过电话网络聚在一起，熟悉早期电脑系统，在BBS上炫耀他们的事迹。
That said, prevention and continuity of care programs are performed using telephone, E-mail, or other Internet-based communication systems.
也就是说，预防和连续医护计划都是通过电话、电子邮件和其他基于互联网的通讯系统进行的。
The main function of the automated telephone booking and voice mailbox has been realized currently. The systems are commonly flexible and are provided with actual application value.
该电话自动订票和语音信箱系统的主要功能目前已基本实现，并有较好的灵活性，具有实际的应用价值。
IntroductionIn the communication systems, echo and noise will seriously affect speech communication quality, such as IP telephone, videophone and hand-free digital cell phone systems etc.
引言在通信系统中，例如IP电话、可视电话及免提数字蜂窝电话系统中，回声和噪声会严重影响通信质量。
The development trends of integrated circuits used in SPC telephone switching systems, system architecture, features and requirements of the switching systems are discussed.
本文对程控数字电话交换机所用的集成电路器件，交换机的系统结构以及性能要求的发展趋势进行了讨论。
The author also implemented fault management subsystem in the process of development of local telephone management systems.
作者还在本地电话网管理系统的开发过程中，实现了故障管理子系统。
The E-TDMA-based GMH2000 fixed radio system developed by Hughes Network Systems (HNS) provides an effective local radio loop solution for the public telephone service.
休斯网络系统公司(HNS)的GMH2000固定无线系统是一个基于E - TDMA的系统，它为公用电话业务提供了最有效的无线本地环路的解决方案。
A person trained in this field may need to know how to set up and maintain telephone equipment, voicemail systems, fiber optic and microwave communication links, as well as mobile radio equipment.
在这个方面受过训练的人可能要知道如何和维护电话设备、语音信箱系统、光纤和微波通信线路，以及移动通信设备。
The echo cancellation technique is now widely used to implement the full-duplex communication in almost all telephone privacy systems.
几乎所有的电话保密系统都使用回波抵消技术来实现全双工通信。
Finally, some practical applications such as speech coding hardware, video telephone and video conference systems, DSP parallel processing systems for sonar and radar are also described.
最后，还介绍了一些DSP的应用实例，如语音编码器，视频电话和视频会议系统，用于雷达和声纳的DSP并行处理系统。
Alarm systems - Intrusion detection - Events controller-recorder function integrated in central alarm units or telephone alarm transmitters.
报警系统。侵入检测。事件控制器。与中央报警装置或电话报警送话器相结合的记录功能。
Discussed are how to use CPLD to control ISD2590 sound chips, and its application on consumer electronic equipment control systems in public telephone network is presented.
介绍如何利用可编程逻辑器件(CPLD)来控制ISD2590语音芯片，及其在公用电话网家电控制系统中的应用。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
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