In the modern philosophy of science and technology Dialectics of Nature is beyond assimilation with other subject because of its wide visual field, abundant contents and perfect system and structure.
在现代世界科学哲学和技术哲学中,自然辩证法视野之广阔,内容之丰富,体系结构之完善,都是其他同类学科无法比拟的。
Based on these, some problems were brought forward about land science subject nature, special research system, and theoretical bases.
在此基础上,探讨了土地科学学科性质、研究对象、理论基础等问题。
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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