摘要
我国大规模考试中使用的机械钟和石英钟存在着计时失准的故障隐患,考场时钟的稳定工作无法得到根本保证。利用卫星同步时钟系统可以为不同考场提供高精度的计时服务,有效解决了这一难题。
There are some hidden troubles of mechanical clock or quartz clock which is not accurate in large-scale examinations. The fairness of the examination can＇ t be guaranteed. This problem is to be solved by using thesatellite synchronous clock system and providing precise timing service.
出处
《中国考试》
2012年第10期37-40,共4页
journal of China Examinations
关键词
大规模考试
时间控制
卫星导航系统
卫星同步时钟
Large-scale Examination
Time Monitoring
Satellite Navigation System
Satellite Synchronous Clock
