求翻译：最后本文分析了影响因素与旅游业发展的相关性，提出了增加国内旅游收入的对策建议，这将为我国旅游业发展的政策制定提供理论依据。是什么意思？

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In conclusion this analysis of the factors affecting the development of the tourism industry to the relevance of the proposed increase in the level of domestic tourism income of the recommendations for countermeasures, and this will be to our country's tourism industry development policy provides a

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Finally, analysis of the correlation factors and the development of tourism, puts forward suggestions to increase domestic tourism income, which will provide a theoretical basis for China's tourism development policy development.

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