电缆

Not until 1866 was the fully successful transatlantic cable finally laid.

直到1866年第一条横跨大西洋的电缆才完全成功的架通。

Not to the time of 1866 was the fully successful transatlantic cable finally laid.

直到1866年第一条横跨大西洋的电缆才完全成功的架通。

This assay is focuses on part of access network technology. The main contents are as the follows.To discuss the function of the forthcoming copper loop, city cable channels once and twice parameters are analyzed and calculated, and simple analytic model are used to describe the characteristics of channel. The transformation of parameter related to applied HDSL technology in higher band of frequency, and the influences of near reaction and twisted subscriber line are mainly analyzed.

本文针对接入网技术的部分技术进行了分析和讨论，主要内容有以下几部分：为探讨现有的铜线回路的性能，对市话电缆信道的一次参数和二次参数进行了分析计算，并引入简单的解析模型来描述信道特性，其中着重分析了与应用HDSL技术有关的较高频段内参数的变化，邻近效应和用户线扭绞等因素的影响。

The new design promotes the development of cable transmission technology to a certain extent.

该电接头的设计对电缆传输技术的发展起到了一定的推动作用。

Electrical construction, wire and cable transmission and distribution companies, such as mechanical and electrical products.

建筑电气、电线电缆输配电等机电产品的公司。

The security of cable transmission line is enhanced.

提高电缆线路运行的安全性。

Cable transmission has its intrinsic advantages and it is the development tendency of intelligent drilling among all kinds of signal transmission.

在钻井的各种信号传输中，电缆传输有着固有的优点，是未来智能钻井信号传输的发展方向。

Current transmission medium such as cable,microwave repeater and satellite communication will prefer to use digital transmission.

现有的传输媒介电缆、微波中继和卫星通信等将更多地采用数字传输。

Transmission can be done by cable , radio frequency and satellite.

传递可通过海底电缆，无线电波和通信卫星来进行。

The end of the 1980s, sales of Nokia's business in China is mainly transmission systems, fiber and cable production lines.

八十年代末，诺基亚在中国的业务主要是销售传输系统、光缆及电缆生产线。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。