�z�� :http://schemas.openxmlformats.org/officeDocument/2006/math CT_BorderBox _BI_anyType @org.openxmlformats.schemas.officeDocument.x2006.math.CTBorderBox Iorg.openxmlformats.schemas.officeDocument.x2006.math.impl.CTBorderBoxImpl borderBoxPr e ctborderboxpr14dbtype8<xsd:documentation xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.openxmlformats.org/officeDocument/2006/math" xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">Border Box Properties</xsd:documentation>