Department of Astronomy;
School of Physics and Astronomy;
Shanghai Jiao Tong University;
Shanghai 200240;
China;
Shanghai Key Laboratory for Particle Physics and Cosmology;
Shanghai 200240;
China;
Department of Astronomy;
Nanjing University;
Nanjing 210093;
China;
Galaxy:structure; Galaxy:bulge; Galaxy:kinematics and dynamics; galaxies:spiral; galaxies:structure;