1.
decrement quadruplex telegraphy
减量式四路多工电报
2.
incremental quadruplex telegraphy
增流式四路多工电报
3.
frequency division multiplex telegraph system
频分多路复用电报系统
4.
Mechanism analysis of four-phase rectification circuit
一种四相整流电路及其工作机理分析
5.
Thomas Edison invents multiplex telegraphy.
托马斯.爱迪生发明多路复用电报。
6.
Construction Counter Measure of the Engineering in Permafrost Area on Contract No.14 of Qinghai-Tibet Railway;
青藏铁路多年冻土区十四标线下工程施工对策
7.
The operational principle of the electronic video screen s controling electrocircuit in weather forcast;
天气预报电子显示屏控制电路工作原理
8.
New Concept of "Four Five" Educational Project--On the Report of Ideological and Politicl Work of Taiyuan Railway Branch Office;
“四五”育人工程教育理念——关于太原铁路分局思想政治工作的报告
9.
Talking about the Construction Techniques for the Integrated Electrical Interface on Passenger Dedicated Line of Wuhan-Guangzhou Railway
浅谈武广铁路客运专线四电接口施工技术
10.
A Discussion on the Work Quantities in Highway Project Quotation;
公路投标报价中四种工程量的内涵及应用方法探讨
11.
set of voice-frequency multiplex telegraph circuits
音频复用电报电路群
12.
gentex exchange
公众电报电路交换局
13.
However, the rapid introduction of improved means of communication...roads, railways and the telegraph...helped to balance the danger
不过，交通和通讯工具——公路、铁路、电报——的迅速改良，抵消了这一危险。
14.
Discussion on the Engineering Design,Construction Coordination and Management of the Interfaces Project Between Signal,Communication,Traction and Power Supply in Shijiazhuang-Taiyuan Railway
石太铁路客运专线四电接口工程设计、施工配合与管理
15.
Compilation and application of detailed list of project volume (four electrified specialty) in railway projects
铁路工程工程量清单计价指南(“四电”部分)编制与应用
16.
Interference from one telegraph circuit to another telegraph circuit or into telephone circuits.
一条电报线路或电话线路对另一条电报线路或电话线路的干扰。
17.
Introduces circuit on photoelectric encoder, and improves a method of precision, analyzes the principle of circuit about the quadruplicated frequency.
介绍了光电编码器结构及相关电路与提高测量精度的方法,分析了四倍频等电路的工作原理。
18.
four-quadrant D.C.converting circuit
四象限直流变换电路