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Adopt one kind of design plan that PLC controls in the protection the main body of a book has been introduced succeeding an electricity in electric system, that capital is designed time is that the KV circuit imports 10 mainly , change into 380 V voltage grades, before the PLC front and back add front to passage and the queen to passage, change before to passage middle course electric current , voltage a train of, the wave filtering the general is exchanged changing waking up with a start for direct-current, the entering carrying out comparison and switch amounts again , controlling conducting entering PLC, by PLC, The malfunction signal is shown out by lamp light or the alarm signal.

本文介绍了在电力系统继电保护中采用PLC控制的一种设计方案，本次设计主要是将10KV线路输入，转化为380V电压等级，在PLC前后加入前向通道和后向通道，在前向通道中经过一系列的电流、电压转换，将交流转换为直流，进行滤波，再进行比较和开关量的输入，传入PLC，通过PLC的控制，将故障信号通过灯光或者报警信号表现出来。

Conversation - this is the meat of the story; the dialogue that is carried out with the users; recorded notes; mockups; documents exchanged.

讨论 -这是股市的具体内容，和用户一起进行面对面的沟通，记录笔记，模型，文档交流

Many letters about life, music and people were exchanged between Tschaikovsky and his Lady Bountiful. The two never met

他和这位女恩人之间来往的许多书信谈到了人生，音乐和具体的人物。

A recombinational event in which regions of DNA are exchanged between homologous chromosomes.

DNA区域在同源染色体之间发生交换的重组事件。

One can separate organization descriptions and process definitions in separate models, one can add a new release of a process description or add a new process definition sharing the rest of the definition of previously defined and exchanged models without resubmitting the whole context etc.

一是能把组织机构描述和过程定义分离在不同的模型，一是能增加过程定义描述新的版本或增加一个对先前定义和交换模型新的过程定义共享，从而不用提交全部的上下文信息。

He exchanged words with police and was arrested for disorderly conduct, but charges were later dropped.

他与警察吵起来并被以妨害治安的理由逮捕了，对他的起诉后来也进行了。

Money itself is just a collective agreement that a piece of paper can always be exchanged for goods or services.

金钱本身就只是一个集体的协议：一张纸总是可以用来交换物品和服务。

Money itself is just a collective agreement that a piece of paper can always be exchanged for goods or services.

货币本身就是一份大众契约：用这张纸总是可以交换到实物或服务。

For a while, Canadian forces and Canadian rebels exchanged attacks on river boats. A number of American citizens fought with the rebels. President Van Buren was troubled.

加拿大军队和加拿大反叛武装曾一度交替攻击尼亚加拉河上的船只，有一批美国人与加拿大反叛者一起战斗，对此，范布伦总统感到很麻烦。

The bridge was often used as a place where spies were "exchanged" between west Berlin and east Germany.

该桥是经常被用来作为在间谍被&西部之间交换柏林和德国东部&的地方。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。