It is a compound ecosystem system with civilization, health, and diapason.
是一个文明、健康、和谐、充满活力的复合生态系统。
Its research subject is tourism ecosystem which is a compound ecological system of society, economy and nature.
旅游生态学的主要研究对象是旅游生态系统，旅游生态系统是一个社会—经济—自然复合生态系统。
Its research subject is tourism ecosystem which is a compound ecological system of society, economy and nature.
旅游生态学的主要研究对象是旅游生态系统，旅游生态系统是一个社会—经济—自然复合生态系统。
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