Beijing Institute of Graphic Communication Beijing 102600 China;
Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China;
Beijing Institute of Graphic Communication Beijing 102600 China;
Hospital of Guang-ming Machine Factory Taian 271000 China;
Beijing Institute of Graphic Communication Beijing 102600 China;
Beijing Institute of Graphic Communication Beijing 102600 China;
Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China;