standard clock

Cs atomic fountain clock is the reappearance of "seconds" definition of time and frequency standard device, has the highest accuracy, as a reference clock calibration with other atomic clock, is a time and frequency system based.

Cs原子喷泉钟是目前复现秒定义时间频率基准装置，具有最高的准确度，作为基准钟标校其他原子钟，是一个国家时间频率系统的基础。

Secondly the GPS information should be input into the controlling computer and which make the clock synchronize with the standard time;

需将GPS时间信息写入主控计算机中，使得高精度时钟源成为与标准时间一致的时钟；

Intel had decided that the clock speed of its processors should be the standard for performance improvements.

英特尔曾经认为，其处理器的主频应成为性能改善的衡量标准。

Optical lattice clock based on neutral atoms with high accuracy is regarded as one of the candidate of next generation frequency standard, and is widely studied in recent years.

中性原子光晶格钟作为一种高精度原子钟，被视为下一代频率基准的候选研究对象，受到人们的广泛关注。

A Time and Frequency Primary Standard of New Generation: NIM4# Laser Cooling-Cesium Atomic Fountain Clock

新一代时间频率基准：NIM4激光冷却-铯原子喷泉钟

A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.

介绍了一种用来测量电能计量装置的时钟基频误差，并提供GPS标准时间以校准其实时时钟的新型工具。

Optical clock is the most promising atomic clock and its uncertainty will reach to 10? 1 8 theoretically, which could be the time and frequency standard of the next generation.

光钟是目前公认的最具有发展潜力的原子钟，理论上预期光钟的频率不确定度可达10-18，有望成为国际新一代时间频率基准。

NIM4# Cold Cesium Atomic Fountain Clock a Time and Frequency Primary Standard of New Generation

NIM4铯冷原子喷泉钟新一代时间频率基准