Keywords relativistic mean field theory;symmetry energy;neutron skin;isoscalar-isovector nonlinear coupling;shape-coexistence;giant monopole resonance;giant dipole resonance;Pygmy dipole resonance;

• 相对论平均场理论;对称能;中子皮;同位旋标量-矢量非线性耦合;形状共存;巨单极共振;巨偶极共振;矮共振;