本标准采用ISO 19136-1:2020，定义了XML模式语法、机制和约定。

Identically adopts ISO 19136 1:2020 which defines the XML Schema syntax, mechanisms and conventions that provide an open, vendor-neutral framework for the description of geospatial application schemas for the transport and storage of geographic information in XML. KEYWORDS: XML Schema; Syntax; Mechanisms; Vendor neutral framework; Geospatial application schemas; Geographic information; Transport and storage in XML.