东北大学文法学院
northeast university
College of Humanities and Law
School of Humanities and Law
水文学方法
hydrology method
hydrological methods
hydrological methodologies
hydrological method
西南石油大学文法学院
southwest petroleum university
arts law school
中间体衍生化方法方法
intermediate derivatization method
澳大利亚天文学会
Astronomical Society of Australia
北京师范大学天文系
beijing normal university
Department of Astronomy