National Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012,P. R. China;
Institute of Geochemistry, The Chinese Academy of Sciences, P.R. China;
Guangzhou Institute of Geochemistry, The Chinese Academy of Sciences, P.R. China;
National Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012,P. R. China;
National Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012,P. R. China;
Institute of Geochemistry, The Chinese Academy of Sciences, P.R. China;
National Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012,P. R. China;
Institute of Geochemistry, The Chinese Academy of Sciences, P.R. China;
Space chemistry; Meteorite; Solar system; Earth; Lunar explo ration;