극좌표,polar_coordinate Copy: 극좌표,polar_coordinate has comma Hide Show Like "극좌표,polar_coordinate" These pages share a similar word... 관성좌표계,inertial_coordinate_system 좌표계,coordinate_system 좌표벡터,coordinate_vector These pages share an initial or final title word... 극좌표,polar_coordinate 극좌표계,polar_coordinate_system 극좌표,polar_coordinate 좌표coordinate