线路

Transmitter is composed of sensor and electronic element circuit, pressure of measured medium directly applies on sensor s ceramic diaphragm, force diaphragm to displace tinily in proportion to pressure of medium, under normal working condition, diaphragm displace no more than 0.025mm, electronic circuit detects this displacement, and convert it into standard industrial measuring signal i.e.(4～20mA) corresponding to this pressure.

变送器由传感器与电子元件线路组成，被测介质的压力直接作用于传感器的陶瓷膜片上，使膜片产生与介质压力成正比的微小位移，正常工作状态下，膜片最大位移不大于0.025mm ，电子线路检测这一位移量后，即把这一位移量转换成对应于这一压力的标准工业测量信号（4~20） mA 。

Working Principle Transmitter is composed of sensor and electronic element circuit, pressure of measured medium directly applies on sensor s ceramic diaphragm, force diaphragm to displace tinily in proportion to pressure of medium, under normal working condition, diaphragm displace no more than 0.025mm, electronic circuit detects this displacement, and convert it into standard industrial measuring signal i.e.

工作原理变送器由传感器与电子元件线路组成，被测介质的压力直接作用于传感器的陶瓷膜片上，使膜片产生与介质压力成正比的微小位移，正常工作状态下，膜片最大位移不大于0.025mm，电子线路检测这一位移量后，即把这一位移量转换成对应于这一压力的标准工业测量信号（4~20）mA。超压时膜片直接贴到坚固的陶瓷基体上，由于膜片与基体的间隙只有0.1mm，过载时膜片的最大位移只能是0.1mm，所以从结构上保证了膜片不会产生过大变形。

UHV Line protection is the symbol of tiptop level in protection field.

超高压线路保护代表了输电线路保护领域研究的最高水平。

The scientific choice of city public transit line is beneficial to traffic conduction.

在城市中科学地选择公交线路对输导交通有着很重要的意义，作为公交线路模型在无线传感器网路模型中的投影，科学地建立骨干网也是具有重要意义的。

This article studies based on the shortest path city public transportation intelligence inquiry system, first aims at the city public transportation line network chart establishment mathematical model; Then research based on above mathematical model database creation method and corresponding algorithm design, with take Dijkstra algorithm as foundation, based on path shortest public transportation line inquiry algorithm, and through simple analog data confirmation algorithm validity; Finally brief introduction according to this thought design realization city public transportation intelligence inquiry system.

研究基于最短道路的城市公交智能查询系统，首先针对城市公交线路网络图建立数学模型；然后研究基于上述数学模型的数据库建立方法和相应的算法设计，和以Dijkstra算法为基础的、基于道路最短的公交线路查询算法，并通过简单模拟数据验证算法的有效性；最后简要介绍按此思想设计实现的城市公交智能查询系统。

The background of protective relaying based on travelling wave for transmission lines is introduced and its development at home and aboard is reviewed.

0引言全国高压、超高压输电线路的不断扩建及特高压线路的试建，大容量机组的陆续投运，全国电网的互联对电力系统继电保护的动作速度、可靠性、灵敏度等指标提出了更高的要求。

Circuit breakers or fuses are installed and coordinated with wiring by selecting the appropriate trip value so that if equipment malfunction or user error causes too much current to flow through a wire, the circuit breaker will trip to prevent the wire from overheating.

断路器或保险丝安装后可以协助线路选择适当的跳闸值。这样，当设备故障或用户失误导致流过线路的电流太大时，断路器将跳闸以防止线路过热。

Bus lines running routes for the Tree trunk line based on the routing obviously clear.

公交线路行驶路线为树形结构主干为本线路行驶路线清晰明显。

Turn the "power" button on, then the "Power" indicator will turn on and this device will pre-check user electrical circuits and the devices which connected inside the electrical circuits.

2.4.3 打开本产品"电源"开关此时前面板"电源"指示灯亮，并对用户用电线路和接入线路的设备进行预检，预检时间≤5s ；预检无故障，"负载"指示灯亮。

A compact-size coplanar waveguide lowpass filter is designed, simulated, fabricated and measured. The purpose of this thesis is to investigate the performance of miniaturized CPW lowpass filter which is a fifth-order semi-lumped uniplanar Butterworth filter. Our design utilizes transmission line lumped elements consisting of interdigital capacitors and meander line inductors.

本文研究目的是探讨微小化共面波导滤波器设计、模拟、制作与其量测特性，滤波器设计是使用Meander和Interdigital线路结构，其电路特性可等效为电感性与电容性元件，藉由串联Meander和Interdigital线路实现慢波周期结构，Interdigital结构设计的线宽为5μm。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。