标准摘要
[中文适用范围]： 本文件旨在扩展数字地理空间数据的长期保存，以提供描述使用星载、机载或现场仪器观测地球的任务数据的来源和背景的详细信息。 [外文原描述]： This document aims to extend the long-term preservation of digital geospatial data to provide details about content describing the provenance and context specific to data from missions that observe the Earth using spaceborne, airborne or in situ instruments.
英文名称Geographic information — Preservation of digital data and metadata — Part 2: Content specifications for Earth observation data and derived digital products