Thus, we need to further research the environment standard basic theory, its definition, legal nature, legal significance and formulation principle.
因而需要对环境标准的定义、法律性质、法律意义、制定原则等基础理论问题加以认真探讨。
This paper reviews the environmental capacity of tourism theory and methods related to Kanas Nature Reserve, for the case of the tourist area of empirical research capacity of the environment.
本文回顾了旅游环境容量相关理论及方法，以喀纳斯自然保护区为案例区进行了旅游环境容量的实证研究。
The problem of environment, which is the idea of relation between human being and nature, is the important problem of theory and reality that human being should face now.
以环境问题为表象的人与自然关系问题，是当今人类面对的一个重大的理论与现实问题。
The problem of environment, which is the idea of relation between human being and nature, is the important problem of theory and reality that human being should face now.
以环境问题为表象的人与自然关系问题，是当今人类面对的一个重大的理论与现实问题。
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