로런츠_군,Lorentz_group Copy: 로런츠_군,Lorentz_group has comma Hide Show Lorentz_group "The group of all Lorentz transformations in spacetime." Lorentz_group lorentz group MKL 직교군,orthogonal_group 군,group 로런츠_변환,Lorentz_transformation 시공간,spacetime