관성틀,inertial_frame Copy: 관성틀,inertial_frame has comma Hide Show Like "관성틀,inertial_frame" These pages share an initial or final title word... 관성틀,inertial_frame 관성기준틀,inertial_reference_frame 관성틀,inertial_frame 기준틀,reference_frame 프레임,frame