of the ruler allows you to change the displayed units of measurement. These changes are only valid until you exit $[officename], and they only apply to the ruler on whose context menu you made the change. If you want to change the ruler measurement units permanently, choose
可用于修改显示的测量单位。这些修改仅在退出 $[officename] 之前有效，而且仅适用于在其上修改上下文菜单的标尺。如果要永久修改标尺测量单位，请选择