VLBI、SLR与时频

VLBI、SLR and T/F

叙述ＶＬＢＩ、ＳＬＲ对时频的要求，上海天文台ＶＬＢＩ、ＳＬＲ的时频系统，并在此基础上重点介绍上海天文台有关方面的研究．

This paper describes the special requirement of T/F for VLBI and SLR, and it also describes the T/F systems at VLBI and SLR Stations in Shanghai Observatory. Basides,some associated research work conducted at Shanghai Observatory are introduced.