通信网络

The data transmission adoption nonsynchronous serial communication, carry out the telecommunication of the singlechip system and PC machine.

数据传输采用异步串行通信方式，实现单片机系统与 PC 机的网络通讯。根据系统需要为本系统编制相应的通讯协议。

With the progress of science and technology of auto-control, network and communication as well as database, the means, methods and management level of water monitoring has improved continually while the global environment problem has increasingly outstood and environment protect has flourished.

水质监测科学也随着全球环境问题的日益突出和环保事业的兴起，其监测手段、监测方法、管理水平随着自动控制技术、网络与通信技术、数据库技术等科学技术的进步不断地得到改善和提高。

Taking into account that networking data communication requires proper memory and CPU velocity, 32-bit ARM7TDMI architecture CPU is chosen as the system control and management core. Its abundant peripherial modules integrated on-chip implement seamless connection between CPU and GPRS modem and CS5460A. It further simplifies the system design.

鉴于网络数据通信对存储器和CPU 速度的要求，选用了32 位ARM7TDMI 架构的CPU 作为系统的控制和管理核心，其片上集成的丰富的外设模块，与GPRS modem 和CS5460A 实现了无缝连接，进一步简化了系统设计。

A practical efficient one - time password authentication protocol is presented which based on the symmetric algorithm , which conquers common challenge - response protocol weakness and can achieve mutual authentication and avoid replay attack and personating attack

该方案克服了通常的质询响应认证方案的弱点，可以用在网络环境下，实现通信双方的相互认证，防止重放攻击和冒充攻击，实现简单，执行效率高。

But the increasement of requirement is challenging this kind of design philosoph.

如何将分散在各个子层的特性参数协调融合，以提升超宽带网络的性能，这些就对超宽带无线通信系统的设计提出了新的挑战。

Computers will communicate through high speed local networks, nationally over wide-area networks, and portably via infrared, ultrasonic, cellular, and other technologies.

计算机将会通过高速的本地网络、跨越国家的广域网和可便携的红外线、超声波、蜂窝电话，以及其他技术实现通信。

The secure design harvest in this paper has practicability and propagable feature, it can find good application background in wireless communication system and speed network.

本文的安全设计成果具有实用性以及可推广性，可以在无线通信系统、高速网络等系统应用中找到良好的应用背景。

In order to meet the international trade and commercial areas of internationalization, and information required Scripless, e-commerce take full advantage of computer technology, network communication technology and the Internet, in just a few years, the rapid development of the world's pillar industries, the economy , live, work brought about by the integrated innovation.

为适应国际贸易和商业领域的国际化、信息化和无纸化的需要，电子商务充分利用计算机技术，网络通信技术和因特网，在短短的几年内，迅速发展成为全球的支柱产业，给经济、生活、工作带来综合的革新。

It was based on the daily grind of subadministration loco dispatching, dicussed the scheme to

基于分局机车调度日常工作，探讨采用计算机网络与通信技术实现分局机车调度管理系统的设计方案。

This paper mainly studies the application of distributed control system in rubber sulphuration, and design out a set of small-scale DCS that can collect the temperature in the steam pipeline in real time, calculate equivalent time of sulphuration with different temperatures and communicate with low-computer through RS-485 network to control numbers of sulphuration machines to work.

本文主要对集散控制系统在橡胶硫化领域的应用进行了研究，设计出一套小型集散控制系统。该系统能实时采集硫化蒸汽管道内的温度，计算出不同温度下等效硫化时间，并通过RS-485网络与下位机通信达到控制多台硫化机工作的目的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷