本文指出了最新的国际地球参考框架ITRF(International Terrestrial Reference Frame)2005已不能满足当今毫米级地球动态变化监测的需要.提出了利用ITRF2005、SBL/GGFC(Special Bureau for Loading/GlobalGeophysical Fluids Center)和GRACE(Gravity Recovery and C
This paper intends to explore the relationship between China’s gold futures and spot price from Oct.10, 2011-Jan.31, 2013 in Shanghai. By using ADF, EG two-ste