Agile information system is the one of re constructivity and fast adaptability.
敏捷信息系统是具有可重构能力的快速适应性系统。
The stractures of power groups are discussed systematically by introducing generalized kernel and the constructivity theorem on a class of power group is established.
通过引入广义核概念，详细讨论了各类幂群的结构，并给出了一类幂群的构造定。
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