In systematic realization, this dissertation has discussed the realization of every subsystem key technology, and solved the heavy difficult point problem.

在系统的实现方面，讨论了各子系统关键技术的实现，解决了系统实现中的重难点问题。

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This is a very common topic, it should be for people to understand the computer is not difficult to understand this point of view and in the previous practice was common analysis of the problem.

这是个很常见的话题，应该来说对于懂计算机的人都不难了解，本文在前人的观点和实践上进行了常见问题的分析。

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We are now at the point where the dimensionality and size of the data is a big problem. It makes things computationally very difficult to find these patterns we want to find.

他补充道，“在这里，数据的维数和容量是个大问题，要依靠计算来找到我们想要找寻的模式会变得极为困难。”

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But today's problem of non-point source pollution is more difficult to control.

CNN: Polluted rivers stain Portland's image

But if we keep kicking the can down the road, the problem just keeps getting worse, and then at some point it will be very difficult to deal with because the consequences will be so painful.

CNN: World faces a day of financial reckoning