But the traditional actual carrying of messages may finally be eliminated in such communications devices as the telephone, telegraph, radio, television and email.

Long-range telephone and telegraph radio communications

远程无线电话电报通讯

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The Telegraph plant is a tropical plant usually found in Asia-but also in the South Pacific.

舞草是一种产于亚洲的热带植物&南太平洋也有。

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Study on the Alternate Means of High Speed Telegraph-relay Network

转报高速网备份手段的研究

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The North's telegraph network spreads its tentacles far and wide, sucking information back to Lincoln and his commanders in Washington.

北方的电报网延伸发展到四面八方从各处采集的信息反馈到了林肯和他在华盛顿的指挥官们手中

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Its industrial heartland, its growing network of railroads, its telegraph network, all bring victory to the North.

北方的工业中心不断扩张的铁路网络和电报网络都是北方胜利的关键

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The detection methods studied in this paper can be used not only as reference with the implementation of Timer-Charging system for telegraph station SPC exchange measurement test timing in technical supervision department, but also as the self-examination by the telecommunications operators.

本文所研究的计费系统检测方法可作为技术监督部门实施局用程控交换机计时计费系统计量检定的参考，也可作为电信运营商自查依据。

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Timer-Charging system for telegraph station SPC exchange is the core part of carrier bill processing and settlement, and its accuracy is relevant to vital interests of the majority of mobile phone users and fixed phone users.

局用程控交换机计时计费系统是电信运营商话费处理和结算的核心部分，其准确与否关乎到广大手机用户和固定电话用户的切身利益。

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Teleprinter switching network telex telegraph exchange

电传打字机交换网络用户电报直通交换机

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Compared with the traditional method, this method is directly based on the nonuniformity of the nonuniform transmission lines, and needn ′ t decouple the coupled telegraph equations.

该方法与传统方法的区别是自然考虑非均匀传输线的非均匀性，没有对传输线进行特殊处理，并且也不需要对耦合的电报方程进行解耦处理。

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Telegraph equations, can be looked as cascade connection of two-port network of lumped circuit of transmission line, is a hyperbolic partial differential equations.

传输线可以看作集中参数二端口网络的级联，其数学模型&电报方程是一阶双曲型偏微分方程组。

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In the paper, a computationally efficient solution technique for the time fractional telegraph equations ( TFTE) is proposed.

提出了求解时间分数阶电报方程的一种计算有效的解技巧。

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The zero sequence component and the positive sequence component equations of transmission lines are derived on the basis of telegraph equations.

运用电报方程推导出三线－地耦合传输线零序分量和正序分量传输线方程。

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In this paper, the precise integration method is used to solve the telegraph equations.

将精细积分法应用到了二维的电报方程的数值计算之中。

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A Solution Technique of the Time Fractional Telegraph Equations

时间分数阶电报方程的一种解技巧

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For the calculation of telegraph equation, we use barycentric rational interpolation collocation method. For the nodes of time domain and space domain, we approximate the unknown functions with rational interpolation. And we discrete the initial boundary value conditions with the same method.

对于电报方程的求解，我们采用重心有理插值配点法，对时间域和空间域上的节点均采用重心有理插值来近似未知函数，将初边值条件也进行相同的离散。

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This paper firstly introduces the theory of the calculation of crosstalk among lines, including basic principle of Finite Difference Time Domain Method, grid partition, numerical stability and absorbing boundary conditions, telegraph equation of transmission lines and the calculation of unit length parameter matrices.

论文先介绍了研究串扰问题的理论基础，包括时域有限差分法的基本原理、网格划分、数值稳定性和吸收边界条件以及多导体传输线理论的电报方程和单位长度参数矩阵的计算。

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Three-phase coupling transmission line equation is derived for the overhead transmission lines based on the distributed circuit theory and telegraph equation. The wave parameter relations between two-phase circuit transmission line equation and three-phase coupling transmission line are achieved.

基于分布参数电路理论，应用电报方程，推导出架空输电线三相全耦合传输线方程，并确定了二相回路传输线方程波参数与全耦合传输线波参数的关系。

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In consideration of the radiation loss of a microstrip line, its propagating constant and characteristic impedance are extracted from time domain responses be means of Fourier ′ s transformation and the telegraph equation.

考虑到辐射损耗，借助Fourier变换和电报方程，从时域响应中提取微带线的传播常数和特性阻抗。

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On the derivation of transmission function, combined with existed theoretical results, a specific equation is derived systematically starting from telegraph equation with related knowledge of advanced mathematics and matrix analysis.

在传输函数的推导上，本文从电报方程出发，辅以已有的理论成果，利用高等数学和矩阵分析等相关知识，系统地给出了具体的推导分析过程。

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The Sine-Gordon equation is a nonlinear form associated to the telegraph equation. It originates in the name of the Klein-Gordon equation in relativistic field theories.

Sine-Gordon方程为电报方程的一种非线性形式，它和相对论性场论中的Klein-Gordon方程有很密切的联系。

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