新版数字黑河信息系统的设计与实现

吴阿丹,史艳梅,郭建文,李建轩,李恒

Design and implementation of new digital Heihe River information system

Adan WU,Yanmei SHI,Jianwen GUO,Jianxuan LI,Heng LI

图8 基于元数据的数据检索

Fig.8 Data retrieval based on metadata