GNSS 数据存储协议，详细描述GNSS包括：GPS，BDS,GLONASS，Galileo的数据存储规范。-GNSS data storage protocols, including a detailed descr iption of GNSS: GPS, BDS, GLONASS, Galileo data storage specification.

对于卫星精密轨道的数据解析协议，针对GPS，BDS等全球导航卫星适用。-For data analysis protocols precise satellite orbits for GPS, BDS and other global navigation satellite apply.