提出了知识树的概念用于所获得的知识的管理，设计并实现了数学知识获取和管理平台。
In order to manage the knowledge acquired, we develop the knowledge editor and management environment, in which an idea of knowledge tree is contained.
EFIS是一个支持铁路的规划，设计，建设，运作和维护这一完整生命周期内的知识管理平台。
EFIS is a knowledge management platform supporting the entire life-cycle of railways planning, design, construction, operation and maintenance.
提出了黑板知识源的概念，讨论了该构型的分层管理机制，并将其应用于综合防空多武器平台仿真系统的设计开发中，取得了良好的效果。
Finally the implementation approach has been applied to the development of the multi-weapons aerial defense system successfully and is proved to be effective.
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