time keeping system

Going further into the common errors of time keeping system in seismic registering instrument

测震记录仪时间记录系统常见误差分析

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Networking and automating of the standard time service can improve the efficiency, reduce the mistake caused by accident manual operation, most importantly, it can also improve the reliability and reasonableness of the time keeping system.

时间服务的网络化、自动化不仅有效提高了工作效率，减少了人工过多干预造成的误差，更重要的是可以提高守时系统的可靠性和合理性。

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The combination of frequency standards of NTSC's time keeping system, the generation and maintenance of UTC ( NTSC), and the development of the TA ( NTSC) algorithm are presented briefly.

简要介绍了当前国家授时中心的守时钟组成，地方协调世界时UTC（NTSC）的产生和保持，以及原子时TA（NTSC）算法的研究等。

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Realization of Time Keeping Alarming System Based on CTI Technique

基于CTI技术的守时系统故障报警实现

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Software for Real Time Monitoring the Time Keeping System at NTSC Standard Time and Frequency Laboratory

NTSC时频基准实验室守时系统自动监测软件

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Real-time Malfunction Diagnosis and Automatic Alarm for the Time Keeping System at NTSC

守时系统故障实时诊断与自动报警

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The Time Keeping System can be divided into three subsystems: The main ( clock, time transfer and time comparison system), the accessorial ( environment monitoring and controlling system) and the power supply system.

守时系统按其功能和工作的性质可分为主（原子钟、时间传递和比对系统）、辅（温湿度、电压环境监控系统）、外（电源系统）三个子系统。

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At that time, keeping the system going required increasing support from abroad, primarily from Europe.

那时, 保持系统运转需要来自国外, 主要是欧洲的支持.

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The application of the computer network to the time keeping and time service system established at the National Time Service Center ( CSAO originally) is introduced.

主要介绍网络技术在授时中心守时实验室的守时及授时服务系统中的应用情况。

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Google said:" We take the quality of our network very seriously and invest significant time and resources to keeping bad actors out of our system. We also have strict policies and terms of use which govern the type of publishers we allow on AdSense.

谷歌表示：“我们十分重视我们网络的质量，并投入大量时间和资源来将不良网站排除在我们的系统之外。我们也制定有严格的政策和使用条款，对我们允许登录AdSense的发行者类型进行规范。

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The satellite navigation system is actually a time synchronization system. The time reference of the system is the key factor that affects the accurancy of positioning and time keeping of the whole system.

卫星导航系统实际上是一个时间同步系统，系统的时间基准是影响整个系统的定位精度和授时精度的关键因素。

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Application of Network Techniques to Time Keeping and Time Service System

网络技术在时间服务工作中的应用

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In this paper, the approximate perturbation range of the state matrix of a linear time-invariant system is given, keeping the system controllability invariant.

本文给出了线性定常系统状态矩阵摄动时保持能控性不变的摄动区间的估计。

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