目前对中国北方地区农村家庭能源消费结构演变的研究较少。
There is scarce study on the evolvement of rural household energy consumption structure in Northern China at present.
这具有历史意义的变化使中国家庭的结构也改变了。
This historic change has led to changes in the Chinese family structure.
通过对未来中国城市家庭结构、功能、成员，未来生活形态的分析，得出未来人们对家庭娱乐的需求的结论。
Drawing the conclusion about people's demand for future domestic entertainment by analysis on China urban family structure, function, members and future life style.
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