程序挖掘方法针对不同用户需求，从网络构件库中利用智能代理自动发现、组装应用与服务，通过灵活地选择构件组合，实现服务定制与服务动态创建。
Program mining methodology make use of intelligent agent to realize retrieval, composition of service and application, and service customization and dynamical creation by neatly selection component.
同时针对不同用户的角色需求，采取角色授权机制，提取相关的统计分析报表。
At the same time the role of demand for different users to take the role of licensing mechanism, extract relevant statistical analysis report.
针对不同用户对象的需求，将3维电子地图系统具体划分为设计系统和浏览系统两部分，并在此基础之上详细阐述了3维电子地图系统的总体结构。
Aiming at the requirements of different users, it divided the 3d electronic map system into design system and browse system, and detailedly discussed the overall structure of 3d electronic map system.
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