中文摘要：

介绍了精密时间间隔测量的基本原理和方法，重点介绍了中国科学技术大学快电子学实验室在该领域开展的研究工作以及近年来在核及粒子物理实验领域方面国家大科学工程上的应用．

英文摘要：

The principle and methods of precise time interval measurement are introduced, and the R＆D in this field by Fast Electronics Lab of USTC and the applications in some great scale national scientific engineering projects of nuclear physics and particle physics experiments are reviewed.