查询词典 telecommunication line

After more than one century, the technology of telecommunication is from the single line exchange and the artificial exchange to the program-controlled exchange, the communication business has become one of the largest bossiness in the world.

从简单的单线式、人工交换方式到现在的数字化、程控交换方式，经过一个多世纪的发展，电话通信已经成为世界范围电信业务量最大的一种通信方式。

Communications:A telecommunication center with programmable controlled switchboard switchboard of 100,000-phone line capacity has been constructed at the park ready to provide services of IDD,telegraph,facsimile,radio communication,visual phone, etc

通讯：基地已建成程控电话容量10万门的电信局一座，可办理国内国际电话、电报、传真、无线通信、可视电话等项业务

One of the input or output points of a system that uses telecommunication facilities; for example, the telephone set in the telephone system or the point where the business machine interfaces with the channel on a leased private line.

使用远程通信设备的系统中的输入或输出点之一，例如，电话系统中的电话机，或商用机器和租用专线信道相接口的点。

Therefore, it is very necessary to grind actively the machine of power line carrier that hair uses again to protect passageway , swing inventory , develop the substation degree machine of popular tune , ask the requirement of the international market of power line carrier for satisfying domestic power telecommunication systematic development.

但是在当前国际化市场条件下和国内载波技术发展和质量提高的形势下，电力线载波机不再限于点对点独立运行，而要考虑组网运行和实现多功能，并且在制式上同国际接轨，为实现电力线载波机设备跨出国门创造条件。

The paper provides the design of battery supervision and control module for local telecommunication power supply supervision and control system, including the signal preadjustment circuit, on-line range conversion circuit and analog to digital conversion circuit.

文章对本地用通信电源监控系统中下位机模拟量采集模块的设计进行了深入研究，包括信号预调理电路、量程在线转换电路以及模数转换主电路等。

Telecommunication allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time.

在某一时间只允许按一个方向通讯，或者在电报中在某一时间只允许一条讯息占用一条线路。

First is the digital majority of power line carrier terminal suspend telecommunication, a kind of can adjust the digital power line carrier terminal of speed voluntarily insurable hold telecommunication.

首先的是数字电力线载波机大多数中断通信，而一种可以自动调整速率的数字载波机却可保持通信。

For fixed-line telecommunication systems, we propose to provide ported number translation functions in PBX-based telecommunications networks.

对於传统固接式电话网路，我们提出将可携式号码转换的知识与功能建立在PBX上。

Since 2005,we have started the research of the wind-solor electricity generating system and now our products can be widely used in the areas without or lack of electricity, such as mountainous area, pastoral area, island garrison, the telecommunication relay station, the television transposer station, the weather station, the highway maintenance, the petroleum gas line protection, the forest fire protection unit, the real estate industry, the landscape construction unit, the small wind electric field and so on..

在中国风机行业协会，可再生能源委员会的指导下，从无到有，从有到精，闯出了一条自主开发与对外引进相结合的发展之路。并于2005年开始致力于风能和太阳能互补系列的技术研发和市场开拓。并日益发展成为具有全新的体制，全新的机制，全新的技术和全新的装备的现代化高新企业。

This paper discusses synchronization problems which L90 line differential relay loss packets and the key operation mode and method in line differential with telecommunication system.

论文通过对华北电网 5 0 0kV线路纵联差动保护装置通信故障的分析，提出了故障的解决方案，并着重讨论了复用保护应用中的同步问题。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。