The call of the times at the same time, the urgent requirement is the reality, but also in the traditional management methods to the new management model for an inevitable change.
同时也是时期的召唤、是现实的迫切请求，也是在传统管理方式向新管理模式改变的一种必然。
With all the possibilities for allocating functions to components, combined with the range of choices for implementing those functions, traditional management methods are no longer adequate.
尽管有可能将功能分配到组件，与实现那些功能的选择范围相结合，但是传统的管理方法不再能够胜任。
Because of the particularity of spatial data, the traditional spatial data management methods couldn't deal with spatial data and attribute data at the same time effectively.
由于空间数据的特殊性，传统的空间数据管理方法都不能很好地处理空间数据与属性数据这两种异质数据。
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