In general, the runtime provides the implementations of the DASs, and application development tools provide support for the data graphs.

通常，运行时提供DAS的实现，而应用程序开发工具提供对数据图的支持。

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However, such a problem is very difficult in general, even for primitive groups and it depends heavily on the understanding of abstract groups and the application of combinatorial tools as well.

然而，即使对于本原群，其次轨道的决定也是一个非常困难的问题，它依赖与人们对抽象群本身结构的了解和一些组合方法的应用。

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With the emergence of new computer-based tools new methods of managing risk are continuously coming out universities and research laboratories into general application.

随着以计算机为基础的各种新工具的出现，新的风险管理法不断的走出大学和研究实验室，投入到广泛的应用中去。

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