网同步技术是数字通信系统的关键技术之一，网同步时钟是网同步技术的关键设备。
The network synchronization is one of the key technologies for digital communication and the clock is the most important equipment in the network synchronization.
论文着重介绍了主时钟以及相关同步设备精度的主要测试方法。
This article lays its stress on the main testing methods of the precision of master clock and the relevant synchronous equipment.
时钟同步是数字设备协调无误运行的前提条件。
Clock synchronization is the precondition for digital equipment to work in harmoniously.
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