jgg     2015 35 (5):  829-834    ISSN: 0412-1961  CN: 21-1139/TG Using ITRF2008 for Plates Motion Analysis Yunnan Astronomical Observatory, CAS, Guandu District, Kunming 650216, China Received: 2014-08-12  Revised: null  Online: 2015-10-10 Supporting info