CHARACTERISTICS OF VOLCANIC ASH IN SURFACE SEDIMENTS AROUND ZHONGSHA ISLANDS: RESPONSE TO TECTONIC SETTING IN THE NORTH MARGIN OF THE SOUTH CHINA SEA是什么意思_CHARACTERISTICS OF VOLCANIC ASH IN SURFACE SEDIMENTS AROUND ZHONGSHA ISLANDS: RESPONSE TO TECTONIC SETTING IN THE NORTH MARGIN OF THE SOUTH CHINA SEA在线翻译_英语_读音_用法_例句