山区小流域是以分水岭和出口断面为界形成的自然集水单元，是具有一定水文学特征的自然、社会和经济综合体。

Mountainous small watershed is a natural catchments as well as a complex system out of the sub-system of ecology, economy and society.

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农村经济是存在于农村区域内的经济综合体，包括农业、农村工业和农村第三产业，是国民经济的重要组成部分。

Rural economy that includes agriculture, rural industry and rural tertiary industry is an economic complex that exists in rural areas and serves as an important part in national economy.

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作为城市商业地产开发建设的新模式，“城市综合体”正在国内各经济发达地区建设使用。

As the new mode of city commercial real development and construction, "urban complex" (uc) is widely used in the commercial developed areas in China.

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