There is a time-lag between theoretical research and practical applications.

理论研究和实际应用之间存在时滞。

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But I think even NLTK's lower layers make it a useful framework for both pedagogical and practical applications.

不过，我认为，即使是NLTK较低的层，也可以成为一个既可用于教学应用程序也可用于实际应用程序的实用框架。

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If you are strictly interested in the pragmatic and practical applications of AOP, you may wish to proceed at this point to the next section.

如果您对AOP的实际和实践应用程序十分感兴趣的话，您可能希望继续下去。

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And there are practical applications to what I'm doing in the classroom.

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Schools like Full Sail are quite common for new developers and extreme hobbyists to take courses in game creation, many gamers have begun to find more novel and somewhat more practical applications for their hobby, some of which may be helping to save lives.

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Above all, it must lead to more effective decision-making and the development of practical applications.

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