Key Laboratory for Research in Galaxies and Cosmology;
University of Science and Technology of China;
Hefei 230026;
China;
Polar Research Institute of China;
Shanghai 200136;
China;
Department of Physics;
Anhui Normal University;
Wuhu 241000;
China;
quasars:emission lines; quasars:broad absorption line; quasars:individual(SDSS J075133.35+134548.3);