【判断题】
当计算机联锁设备发生故障,使用应急台操纵道岔时,允许同时使用手摇把转换道岔
A. 对
B. 错
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答案
B
解析
暂无解析
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计算机联锁具有对室内外联锁设备的检测和监测功能
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计算机联锁机房的安全保护地线与防雷保护地线可共用
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在DS6-11计算机联锁系统中由于工作机(A机)发生硬件故障造成死机故障或人工关机,BYUJ(运行继电器)落下
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计算机联锁系统上位机也叫联锁机
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计算机联锁系统下位机也叫操作表示机
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CD-ROM利用表面的平和凹表示“0”和“1”
A. 对
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某计算机内存容量为512K
A. 对
B. 错
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JD-1A型计算机联锁电务维修系统能记录三个月内车站运行情况
A. 对
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【判断题】
在JD-1A计算机联锁系统电务维修机系统网络结构图中黄色表示某机器正处于故障状态
A. 对
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计算机联锁系统使用的不间断供电电源应设双套,互为备用
A. 对
B. 错
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TYJL-Ⅱ型计算机联锁系统联锁机备机联机同步时主备机间有通信联系,且主备机的控制命令和锁闭信息完全一致,自动切换时不影响现场设备状态,但信号可能恢复
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TYJL-Ⅱ型计算机联锁系统联锁机、执表机的CPU及其接口电路的工作电源电压为5.0V±0.2V
A. 对
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【判断题】
为了提高微机联锁系统的安全性,系统联锁计算机的硬件结构采用双机热备的或门二重冗余系统
A. 对
B. 错
【判断题】
微机联锁设备采用双套互为备用系统时,若主机出现故障,系统只能手动倒向备机,而不能自动倒向备机
A. 对
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【判断题】
微机联锁双机系统均发生故障不能使用时允许开放引导信号但不能对咽喉实行引导总锁闭
A. 对
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当发生一、二级报警时信号微机监测系统将显示独立报警窗口,并记录报警、受理和恢复时间
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当信号微机监测系统站机浏览某项监测信息后,在报表浏览记录中对应项目将被打勾记录
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当信号微机监测系统广域网网络通信正常时,站机程序界面右下方状态栏的“网络通信状态”打“√”
A. 对
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信号微机监测系统是监测铁路信号设备运用状态的重要设备
A. 对
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车站系统是信号微机监测系统的一个组成部分
A. 对
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TJWX-2000型微机监测系统采集机对开关量的采集采用非周期的巡测方式
A. 对
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VPI型计算机联锁系统工作机故障修复后必须按压同步按钮方可实现与工作机同步
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计轴设备输入电源断电50分钟之内设备应正常工作
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AzL90-3型计轴设备计轴器的机箱应接地
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分散自律调度集中设备能下放或者回收车站对行车、调车作业的控制权
A. 对
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分散自律调度集中设备不能显示股道的占用状态
A. 对
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A. 对
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FZ-CTC型分散自律调度集中系统在6502车站车站值班员可以按下控制台上的非常站控按钮进入非常站控模式
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A. 对
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【单选题】
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【单选题】
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【单选题】
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D.
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Q2: According to the passage, under what circumstances may an avalanche occur?___
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【单选题】
Q3: What are skiers advised to do to avoid being caught in an avalanche?___
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【单选题】
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Q1:What is conversation mainly about?___
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Q3:Where did the woman get the money?___
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【单选题】
Q2: According to Rubin, what can small companies do to thank holiday workers?___
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【单选题】
Q3: What can small business owners do to help holiday workers get into the holiday spirit?___
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【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during  holidays .
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【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers