/usr/share/kde4/apps/step/objinfo/ is in kde-l10n-zhcn 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/apps/step/objinfo/l10n/
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Box.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/ChargedParticle.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Disk.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Gas.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/GasLJForce.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/GasParticle.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Meter.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Note.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Particle.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Polygon.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/Spring.html
/usr/share/kde4/apps/step/objinfo/l10n/zh_CN/World.html