Retrieval methods and strategies of aero scientific information are expounded.

阐述了航空科技情报的检索方法与检索途径；

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The two retrieval methods simply retrieve the value from the HashMap (Figure 14 and 15).

这两个检索方法只检索hashmap中的值(图14和图15)。

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The results indicate that the Content-based image retrieval method offers distinct advantages over some other image retrieval methods.

实验结果表明这种基于图象内容的检索方法，较方便和准确地达到了图象检索之目的。

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However, the team found that eventually both methods of memory retrieval were as effective in the tasks, meaning that while sleep deprivation affects brain function it does not affect overt behaviour, as previously thought.

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