Timeliness overviews

The up-to-date overviews of the products of the BKG and ZSGT. The product includes the timeliness of the data in the respective spatial acquisition units. They are generated daily for the products basic DLM, DGM1, DOM1, DTK25, DTK50, DTK100 and DOP20 available in sales. The data age can be derived from the existing information on timeliness - based on the current date.BKG与ZSGT旗下产品的最新概览。 该类产品涵盖各空间采集单元内的数据时效性信息。针对在售的基础DLM、DGM1、DOM1、DTK25、DTK50、DTK100及DOP20产品，每日生成此类概览。可基于当前日期，通过现有时效性信息推算得到数据时效。