该网站目前仅局限于查询欧洲的目的地，但Zoombu表示，现在已经有计划把业务拓展到北美洲。
The site is currently limited to European destinations but Zoombu says it has plans to extend to North America at some point in the future.
CMIS 的查询语言是有一定拓展的 SQL-92 (ISO/IEC 9075: 1992 – Database Language SQL) 的子集。
The query language of CMIS is a subset of SQL-92 (ISO/IEC 9075: 1992 – Database Language SQL) with a few extensions.
同时，最优路径查询作为公路网GIS重要的社会服务拓展功能之一，有其巨大的社会应用意义。
The inquire function for the optimal route, as one of the important community service expanding functions of HNGIS, has large application meaning for the society.
应用推荐